Upgrade 8.2.10->9.0.8 Integitry Check: EXTRA_FILE

Hello,
I upgraded my owncloud Installation from Version 8.2.10 to Version 9.0.8 today.
It seems to work. The upgrade process finished without errors.
But now I get an integitry Check Warning.
I dont know if the signature file is broken or my installation is containing hundreds of files that don't belong there.
What can I do now?

I am not allowed to upload Files and the check result is far too long to add it here.
I will add you a few lines (the full check result has 7273 lines):

Results

  • core
    • EXTRA_FILE
      • owncloud/core/application.php
      • owncloud/core/vendor/bootstrap/js/tooltip.js
      • owncloud/core/vendor/strengthify/LICENSE
      • owncloud/core/vendor/strengthify/jquery.strengthify.js
      • owncloud/core/vendor/strengthify/strengthify.css
      • owncloud/core/vendor/strengthify/.bower.json
      • owncloud/core/vendor/backbone/backbone.js
      • owncloud/core/vendor/backbone/.bower.json
      • owncloud/core/command/maintenance/repair.php
      • owncloud/core/command/maintenance/install.php
      • owncloud/core/command/maintenance/mimetype/updatejs.php
      • owncloud/core/command/maintenance/mimetype/updatedb.php
      • owncloud/core/command/maintenance/mode.php
      • owncloud/core/command/maintenance/singleuser.php
      • owncloud/core/command/log/owncloud.php
      • owncloud/core/command/log/manage.php
      • owncloud/core/command/db/converttype.php
      • owncloud/core/command/db/generatechangescript.php
      • owncloud/core/command/l10n/createjs.php
      • owncloud/core/command/app/checkcode.php
      • owncloud/core/command/app/listapps.php
      • owncloud/core/command/app/disable.php
      • owncloud/core/command/app/enable.php
      • owncloud/core/command/check.php
      • owncloud/core/command/status.php
      • owncloud/core/command/upgrade.php
      • owncloud/core/command/user/report.php
      • owncloud/core/command/user/add.php
      • owncloud/core/command/user/lastseen.php
      • owncloud/core/command/user/resetpassword.php
      • owncloud/core/command/user/delete.php
      • owncloud/core/command/base.php
      • owncloud/core/command/encryption/decryptall.php
      • owncloud/core/command/encryption/changekeystorageroot.php
      • owncloud/core/command/encryption/status.php
      • owncloud/core/command/encryption/listmodules.php
      • owncloud/core/command/encryption/encryptall.php
      • owncloud/core/command/encryption/showkeystorageroot.php
      • owncloud/core/command/encryption/disable.php
      • owncloud/core/command/encryption/setdefaultmodule.php
      • owncloud/core/command/encryption/enable.php
      • owncloud/core/command/config/import.php
      • owncloud/core/command/config/system/deleteconfig.php
      • owncloud/core/command/config/system/setconfig.php
      • owncloud/core/command/config/system/getconfig.php
      • owncloud/core/command/config/app/deleteconfig.php
      • owncloud/core/command/config/app/setconfig.php
      • owncloud/core/command/config/app/getconfig.php
      • owncloud/core/command/config/listconfigs.php
      • owncloud/core/tags/controller.php
      • owncloud/core/doc/user/genindex.html
      • owncloud/core/doc/user/search.html
      • owncloud/core/doc/user/_sources/bookmarks.txt
      • owncloud/core/doc/user/_sources/documents.txt
      • owncloud/core/doc/user/_sources/whats_new.txt
      • owncloud/core/doc/user/_sources/webinterface.txt
      • owncloud/core/doc/user/_sources/index.txt
      • owncloud/core/doc/user/_sources/userpreferences.txt
      • owncloud/core/doc/user/_sources/contents.txt
      • owncloud/core/doc/user/_sources/files/large_file_upload.txt
      • owncloud/core/doc/user/_sources/files/access_webdav.txt
      • owncloud/core/doc/user/_sources/files/federated_cloud_sharing.txt
      • owncloud/core/doc/user/_sources/files/index.txt
      • owncloud/core/doc/user/_sources/files/version_control.txt
      • owncloud/core/doc/user/_sources/files/file_drop.txt
      • owncloud/core/doc/user/_sources/files/access_webgui.txt
      • owncloud/core/doc/user/_sources/external_storage/external_storage.txt
      • owncloud/core/doc/user/_sources/external_storage/sharepoint_connecting.txt
      • owncloud/core/doc/user/_sources/pim/troubleshooting.txt
      • owncloud/core/doc/user/_sources/pim/contacts.txt
      • owncloud/core/doc/user/_sources/pim/sync_ios.txt
      • owncloud/core/doc/user/_sources/pim/sync_thunderbird.txt
      • owncloud/core/doc/user/_sources/pim/sync_osx.txt
      • owncloud/core/doc/user/_sources/pim/index.txt
      • owncloud/core/doc/user/_sources/pim/calendar.txt
      • owncloud/core/doc/user/index.html
      • owncloud/core/doc/user/documents.html
      • owncloud/core/doc/user/objects.inv
      • owncloud/core/doc/user/searchindex.js
      • owncloud/core/doc/user/_images/notifications_personal_settings.png
      • owncloud/core/doc/user/_images/calendar_caldav_ios.png
      • owncloud/core/doc/user/_images/contact_vcfpick.jpg
      • owncloud/core/doc/user/_images/personal_settings.png
      • owncloud/core/doc/user/_images/files_page1.png
      • owncloud/core/doc/user/_images/calendar_default.png
      • owncloud/core/doc/user/_images/language_personal_settings.png
      • owncloud/core/doc/user/_images/email_address_personal_settings.png
      • owncloud/core/doc/user/_images/contact_picture_default.png
      • owncloud/core/doc/user/_images/contact_uploadbutton.png
      • owncloud/core/doc/user/_images/calendar_create_new.png
      • owncloud/core/doc/user/_images/contacts_settings.png
      • owncloud/core/doc/user/_images/profile_picture_personal_settings.png
      • owncloud/core/doc/user/_images/event_export.png
      • owncloud/core/doc/user/_images/calendar_import.png
      • owncloud/core/doc/user/_images/oc_documents_col_edit.png
      • owncloud/core/doc/user/_images/contact_address_book_add.png
      • owncloud/core/doc/user/_images/contact_picture.png
      • owncloud/core/doc/user/_images/direct-share-4.png
      • owncloud/core/doc/user/_images/calendar_caldav_link.png
      • owncloud/core/doc/user/_images/oc_documents_edit.png
      • owncloud/core/doc/user/_images/download.png
      • owncloud/core/doc/user/_images/calendar_create_event_share.png
      • owncloud/core/doc/user/_images/calendar_export.png
      • owncloud/core/doc/user/_images/calendar_newtimezone1.png
      • owncloud/core/doc/user/_images/calendar_caldav_icon.png
      • owncloud/core/doc/user/_images/password_change.png
      • owncloud/core/doc/user/_images/contact_new.png
      • owncloud/core/doc/user/_images/calendar_settings.png
      • owncloud/core/doc/user/_images/contact_syncopt.jpg
      • owncloud/core/doc/user/_images/direct-share-1.png
      • owncloud/core/doc/user/_images/oc_personal_settings_dropdown.png
      • owncloud/core/doc/user/_images/direct-share-2.png
      • owncloud/core/doc/user/_images/calendar_create_event.png
      • owncloud/core/doc/user/_images/oc_connect.png
      • owncloud/core/doc/user/_images/sharepoint-drive-config-user.png
      • owncloud/core/doc/user/_images/documents_personal_settings.png
      • owncloud/core/doc/user/_images/gear.png
      • owncloud/core/doc/user/_images/contact_crop.jpg
      • owncloud/core/doc/user/_images/usage_indicator.png
      • owncloud/core/doc/user/_images/contact_bottombar.png
      • owncloud/core/doc/user/_images/calendar_create_event_repeat.png
      • owncloud/core/doc/user/_images/full_name.png
      • owncloud/core/doc/user/_images/calendar_edit_event.png
      • owncloud/core/doc/user/_images/direct-share-3.png
      • owncloud/core/doc/user/_images/files_versioning.png
      • owncloud/core/doc/user/_images/oc_documents_share.png
      • owncloud/core/doc/user/_images/contacts_empty.png
      • owncloud/core/doc/user/contents.html
      • owncloud/core/doc/user/bookmarks.html
      • owncloud/core/doc/user/webinterface.html
      • owncloud/core/doc/user/files/file_drop.html
      • owncloud/core/doc/user/files/version_control.html
      • owncloud/core/doc/user/files/quota.html
      • owncloud/core/doc/user/files/index.html
      • owncloud/core/doc/user/files/access_webgui.html
      • owncloud/core/doc/user/files/desktop_mobile_sync.html
      • owncloud/core/doc/user/files/access_webdav.html
      • owncloud/core/doc/user/files/large_file_upload.html
      • owncloud/core/doc/user/files/federated_cloud_sharing.html
      • owncloud/core/doc/user/files/deleted_file_management.html
      • owncloud/core/doc/user/files/encrypting_files.html
      • owncloud/core/doc/user/external_storage/index.html
      • owncloud/core/doc/user/external_storage/sharepoint_connecting.html
      • owncloud/core/doc/user/external_storage/external_storage.html
      • owncloud/core/doc/user/pim/sync_thunderbird.html
      • owncloud/core/doc/user/pim/contacts.html
      • owncloud/core/doc/user/pim/sync_osx.html
      • owncloud/core/doc/user/pim/index.html
      • owncloud/core/doc/user/pim/calendar.html
      • owncloud/core/doc/user/pim/troubleshooting.html
      • owncloud/core/doc/user/pim/sync_ios.html
      • owncloud/core/doc/user/pim/sync_kde.html
      • owncloud/core/doc/user/whats_new.html
      • owncloud/core/doc/user/userpreferences.html
      • owncloud/core/doc/user/_static/down-pressed.png
      • owncloud/core/doc/user/_static/plus.png
      • owncloud/core/doc/user/_static/websupport.js
      • owncloud/core/doc/user/_static/basic.css
      • owncloud/core/doc/user/_static/underscore.js
      • owncloud/core/doc/user/_static/file.png
      • owncloud/core/doc/user/_static/pygments.css
      • owncloud/core/doc/user/_static/up-pressed.png
      • owncloud/core/doc/user/_static/searchtools.js
      • owncloud/core/doc/user/_static/bootstrap-sphinx.css
      • owncloud/core/doc/user/_static/down.png
      • owncloud/core/doc/user/_static/minus.png
      • owncloud/core/doc/user/_static/up.png
      • owncloud/core/doc/user/_static/doctools.js
      • owncloud/core/doc/admin/enterprise_files_drop/index.html
      • owncloud/core/doc/admin/enterprise_files_drop/files_drop.html
      • owncloud/core/doc/admin/genindex.html
      • owncloud/core/doc/admin/maintenance/package_upgrade.html
      • owncloud/core/doc/admin/maintenance/upgrade.html
      • owncloud/core/doc/admin/maintenance/index.html
      • owncloud/core/doc/admin/maintenance/migrating.html
      • owncloud/core/doc/admin/maintenance/restore.html
      • owncloud/core/doc/admin/maintenance/enable_maintenance.html
      • owncloud/core/doc/admin/maintenance/manual_upgrade.html
      • owncloud/core/doc/admin/maintenance/update.html
      • owncloud/core/doc/admin/maintenance/backup.html
      • owncloud/core/doc/admin/search.html
      • owncloud/core/doc/admin/enterprise_server_branding/enterprise_server_branding.html
      • owncloud/core/doc/admin/enterprise_server_branding/index.html
      • owncloud/core/doc/admin/issues/index.html
      • owncloud/core/doc/admin/configuration_user/user_provisioning_api.html
      • owncloud/core/doc/admin/configuration_user/user_auth_ldap.html
      • owncloud/core/doc/admin/configuration_user/index.html
      • owncloud/core/doc/admin/configuration_user/user_configuration.html
      • owncloud/core/doc/admin/configuration_user/reset_admin_password.html
      • owncloud/core/doc/admin/configuration_user/user_auth_ldap_cleanup.html
      • owncloud/core/doc/admin/configuration_user/user_auth_ftp_smb_imap.html
      • owncloud/core/doc/admin/operations/index.html
      • owncloud/core/doc/admin/operations/theming.html
      • owncloud/core/doc/admin/operations/scaling_multiple_machines.html
      • owncloud/core/doc/admin/operations/considerations_on_monitoring.html
      • owncloud/core/doc/admin/_sources/enterprise_files_drop/files_drop.txt
      • owncloud/core/doc/admin/_sources/enterprise_files_drop/index.txt
      • owncloud/core/doc/admin/_sources/maintenance/enable_maintenance.txt
      • owncloud/core/doc/admin/_sources/maintenance/update.txt
      • owncloud/core/doc/admin/_sources/maintenance/upgrade.txt
      • owncloud/core/doc/admin/_sources/maintenance/backup.txt
      • owncloud/core/doc/admin/_sources/maintenance/restore.txt
      • owncloud/core/doc/admin/_sources/maintenance/index.txt
      • owncloud/core/doc/admin/_sources/maintenance/migrating.txt
      • owncloud/core/doc/admin/_sources/maintenance/manual_upgrade.txt
      • owncloud/core/doc/admin/_sources/maintenance/package_upgrade.txt
      • owncloud/core/doc/admin/_sources/whats_new_admin.txt
      • owncloud/core/doc/admin/_sources/enterprise_server_branding/enterprise_server_branding.txt
      • owncloud/core/doc/admin/_sources/enterprise_server_branding/index.txt
      • owncloud/core/doc/admin/_sources/release_notes.txt
      • owncloud/core/doc/admin/_sources/issues/index.txt
      • owncloud/core/doc/admin/_sources/configuration_user/user_provisioning_api.txt
      • owncloud/core/doc/admin/_sources/configuration_user/user_auth_ldap.txt
      • owncloud/core/doc/admin/_sources/configuration_user/user_auth_ftp_smb_imap.txt
      • owncloud/core/doc/admin/_sources/configuration_user/index.txt
      • owncloud/core/doc/admin/_sources/operations/considerations_on_monitoring.txt
      • owncloud/core/doc/admin/_sources/operations/scaling_multiple_machines.txt
      • owncloud/core/doc/admin/_sources/operations/theming.txt
      • owncloud/core/doc/admin/_sources/operations/index.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage_configuration_gui.txt
      • owncloud/core/doc/admin/_sources/configuration_files/file_sharing_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/big_file_upload_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/encryption_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/files_locking_transactional.txt
      • owncloud/core/doc/admin/_sources/configuration_files/federated_cloud_sharing_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/index.txt
      • owncloud/core/doc/admin/_sources/configuration_files/previews_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/default_files_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/auth_mechanisms.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/ftp.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/openstack.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/owncloud.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/smb.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/dropbox.txt
      • owncloud/core/doc/admin/_sources/configuration_files/external_storage/google.txt
      • owncloud/core/doc/admin/_sources/installation/selinux_configuration.txt
      • owncloud/core/doc/admin/_sources/installation/source_installation.txt
      • owncloud/core/doc/admin/_sources/installation/ucs_installation.txt
      • owncloud/core/doc/admin/_sources/installation/nginx_configuration.txt
      • owncloud/core/doc/admin/_sources/installation/macos_installation.txt
      • owncloud/core/doc/admin/_sources/installation/php_55_installation.txt
      • owncloud/core/doc/admin/_sources/installation/hiawatha_configuration.txt
      • owncloud/core/doc/admin/_sources/installation/appliance_installation.txt
      • owncloud/core/doc/admin/_sources/installation/system_requirements.txt
      • owncloud/core/doc/admin/_sources/installation/php_54_installation.txt
      • owncloud/core/doc/admin/_sources/installation/index.txt
      • owncloud/core/doc/admin/_sources/installation/command_line_installation.txt
      • owncloud/core/doc/admin/_sources/installation/linux_installation.txt
      • owncloud/core/doc/admin/_sources/installation/apps_management_installation.txt
      • owncloud/core/doc/admin/_sources/installation/installation_wizard.txt
      • owncloud/core/doc/admin/_sources/installation/yaws_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_clients/publishing_android_app.txt
      • owncloud/core/doc/admin/_sources/enterprise_clients/creating_branded_apps.txt
      • owncloud/core/doc/admin/_sources/enterprise_clients/index.txt
      • owncloud/core/doc/admin/_sources/configuration_server/email_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/automatic_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/language_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/occ_command.txt
      • owncloud/core/doc/admin/_sources/configuration_server/custom_client_repos.txt
      • owncloud/core/doc/admin/_sources/configuration_server/search_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/thirdparty_php_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/background_jobs_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/performance_tuning/database_best_practice.txt
      • owncloud/core/doc/admin/_sources/configuration_server/performance_tuning/oc_server_tuning.txt
      • owncloud/core/doc/admin/_sources/configuration_server/performance_tuning/webserver_tips.txt
      • owncloud/core/doc/admin/_sources/configuration_server/performance_tuning/ssl_encryption_app.txt
      • owncloud/core/doc/admin/_sources/configuration_server/performance_tuning/index.txt
      • owncloud/core/doc/admin/_sources/configuration_server/security_setup_warnings.txt
      • owncloud/core/doc/admin/_sources/configuration_server/harden_server.txt
      • owncloud/core/doc/admin/_sources/configuration_server/index.txt
      • owncloud/core/doc/admin/_sources/configuration_server/activity_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/knowledgebase_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/js_css_asset_management_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/caching_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/logging_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/config_sample_php_parameters.txt
      • owncloud/core/doc/admin/_sources/configuration_server/antivirus_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_server/reverse_proxy_configuration.txt
      • owncloud/core/doc/admin/_sources/index.txt
      • owncloud/core/doc/admin/_sources/configuration_database/db_conversion.txt
      • owncloud/core/doc/admin/_sources/configuration_database/linux_database_configuration.txt
      • owncloud/core/doc/admin/_sources/configuration_database/index.txt
      • owncloud/core/doc/admin/_sources/configuration_database/oracle_db_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_user_management/user_auth_shibboleth.txt
      • owncloud/core/doc/admin/_sources/enterprise_user_management/index.txt
      • owncloud/core/doc/admin/_sources/contents.txt
      • owncloud/core/doc/admin/_sources/configuration_mimetypes/mimetype_aliases.txt
      • owncloud/core/doc/admin/_sources/enterprise_external_storage/s3_swift_as_primary_object_store_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_external_storage/jive_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_external_storage/windows-network-drive_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_external_storage/index.txt
      • owncloud/core/doc/admin/_sources/enterprise_external_storage/sharepoint-integration_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_external_storage/ldap_home_connector_configuration.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_9.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_2.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_3.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_5.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_7.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/index.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_6.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_4.txt
      • owncloud/core/doc/admin/_sources/enterprise_ios_app/publishing_ios_app_8.txt
      • owncloud/core/doc/admin/_sources/enterprise_installation/license_keys_installation.txt
      • owncloud/core/doc/admin/_sources/enterprise_installation/index.txt
      • owncloud/core/doc/admin/_sources/enterprise_installation/linux_installation.txt
      • owncloud/core/doc/admin/_sources/enterprise_installation/supported_apps_installation.txt
      • owncloud/core/doc/admin/index.html
      • owncloud/core/doc/admin/configuration_files/federated_cloud_sharing_configuration.html
      • owncloud/core/doc/admin/configuration_files/index.html
      • owncloud/core/doc/admin/configuration_files/file_sharing_configuration.html
      • owncloud/core/doc/admin/configuration_files/external_storage_configuration.html
      • owncloud/core/doc/admin/configuration_files/external_storage_configuration_gui.html
      • owncloud/core/doc/admin/configuration_files/previews_configuration.html
      • owncloud/core/doc/admin/configuration_files/collaborative_documents_configuration.html
      • owncloud/core/doc/admin/configuration_files/encryption_configuration.html
      • owncloud/core/doc/admin/configuration_files/default_files_configuration.html
      • owncloud/core/doc/admin/configuration_files/files_locking_transactional.html
      • owncloud/core/doc/admin/configuration_files/big_file_upload_configuration.html
      • owncloud/core/doc/admin/configuration_files/external_storage/owncloud.html
      • owncloud/core/doc/admin/configuration_files/external_storage/auth_mechanisms.html
      • owncloud/core/doc/admin/configuration_files/external_storage/openstack.html
      • owncloud/core/doc/admin/configuration_files/external_storage/webdav.html
      • owncloud/core/doc/admin/configuration_files/external_storage/local.html
      • owncloud/core/doc/admin/configuration_files/external_storage/ftp.html
      • owncloud/core/doc/admin/configuration_files/external_storage/dropbox.html
      • owncloud/core/doc/admin/configuration_files/external_storage/google.html
      • owncloud/core/doc/admin/configuration_files/external_storage/smb.html
      • owncloud/core/doc/admin/configuration_files/external_storage/amazons3.html
      • owncloud/core/doc/admin/configuration_files/external_storage/sftp.html
      • owncloud/core/doc/admin/objects.inv
      • owncloud/core/doc/admin/installation/hiawatha_configuration.html
      • owncloud/core/doc/admin/installation/command_line_installation.html
      • owncloud/core/doc/admin/installation/index.html
      • owncloud/core/doc/admin/installation/appliance_installation.html
      • owncloud/core/doc/admin/installation/installation_wizard.html
      • owncloud/core/doc/admin/installation/source_installation.html
      • owncloud/core/doc/admin/installation/nginx_configuration.html
      • owncloud/core/doc/admin/installation/php_54_installation.html
      • owncloud/core/doc/admin/installation/macos_installation.html
      • owncloud/core/doc/admin/installation/selinux_configuration.html
      • owncloud/core/doc/admin/installation/ucs_installation.html
      • owncloud/core/doc/admin/installation/system_requirements.html
      • owncloud/core/doc/admin/installation/php_55_installation.html
      • owncloud/core/doc/admin/installation/apps_management_installation.html
      • owncloud/core/doc/admin/installation/yaws_configuration.html
      • owncloud/core/doc/admin/installation/linux_installation.html
      • owncloud/core/doc/admin/searchindex.js
      • owncloud/core/doc/admin/enterprise_clients/index.html
      • owncloud/core/doc/admin/enterprise_clients/creating_branded_apps.html
      • owncloud/core/doc/admin/enterprise_clients/custom_client_repos.html
      • owncloud/core/doc/admin/enterprise_clients/publishing_android_app.html
      • owncloud/core/doc/admin/whats_new_admin.html
      • owncloud/core/doc/admin/_images/ownbrander-28.png
      • owncloud/core/doc/admin/_images/ownbrander-24.png
      • owncloud/core/doc/admin/_images/ldap-advanced-1-connection.png
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      • owncloud/core/doc/admin/_images/cert-11.png
      • owncloud/core/doc/admin/_images/cert-25.png
      • owncloud/core/doc/admin/_images/dropbox.png
      • owncloud/core/doc/admin/_images/scaling-5.png
      • owncloud/core/doc/admin/_images/create_public_share-7.png
      • owncloud/core/doc/admin/_images/ios-publish-3.png
      • owncloud/core/doc/admin/_images/upgrade-notifier.png
      • owncloud/core/doc/admin/_images/android_custom_1.png
      • owncloud/core/doc/admin/_images/ownbrander-26.png
      • owncloud/core/doc/admin/_images/install-wizard-a2.png
      • owncloud/core/doc/admin/_images/android_custom_25.png
      • owncloud/core/doc/admin/_images/android_custom_18.png
      • owncloud/core/doc/admin/_images/cert-34.png
      • owncloud/core/doc/admin/_images/scaling-4.png
      • owncloud/core/doc/admin/_images/upgrade-3.png
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      • owncloud/core/doc/admin/_images/android_custom_3.png
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      • owncloud/core/doc/admin/_images/create_public_share-5.png
      • owncloud/core/doc/admin/_images/ownbrander-30.png
      • owncloud/core/doc/admin/_images/ldaphome-6.png
      • owncloud/core/doc/admin/_images/cert-32.png
      • owncloud/core/doc/admin/_images/ownbrander-14.png
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      • owncloud/core/doc/admin/_images/android_custom_15.png
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      • owncloud/core/doc/admin/_images/cert-47.png
      • owncloud/core/doc/admin/_images/lucene-search-user.png
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      • owncloud/core/doc/admin/_images/cert-38.png
      • owncloud/core/doc/admin/_images/cert-36.png
      • owncloud/core/doc/admin/_images/dropbox-configapp.png
      • owncloud/core/doc/admin/_images/app-sharepoint-enable.png
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      • owncloud/core/doc/admin/_images/sharepoint-drive-config.png
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      • owncloud/core/doc/admin/_images/ucsint.png
      • owncloud/core/doc/admin/_images/ios-p12-4.png
      • owncloud/core/doc/admin/_images/updater-3.png
      • owncloud/core/doc/admin/_images/itunes-udid.png
      • owncloud/core/doc/admin/_images/android_custom_10.png

Hi,

using the search function of the forums or having a look at the documentation would be a good / first step when having such issues. The documentation [1] e.g. contains a huge part about these integrity issues and provides various hints how to solve these.

[1] https://doc.owncloud.org/server/latest/admin_manual/issues/code_signing.html#fixing-invalid-code-integrity-messages

Hello,
I already used the search function and I read the documentation Page you linked just before asking here.
If I follow the documentation page I need to delete the files which aren't in the json file.
But the deletion of 7200+ files of the Installation semms to be far risky and why do I have to do this by hand after an upgrade process?

Most likely because of a wrong done upgrade by you. The output shows that you have an installation path e.g.:

/var/www/owncloud

and you had extracted the ownCloud archive with all that EXTRA_FILES to:

/var/www/owncloud/owncloud

causing this seen issue here.

Thank you very much!

I did not see the doubled owncloud folder.
I just deleted it and it works :slight_smile: