KSC backup fails with error Database is corrupted. At least one repository corrupted [KSC for Windows]

[Antipova Anna]

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Scenario

Backup task fails with the following error in Kaspersky Event Log:

Database is corrupted. At least one repository corrupted C:\ProgramData\Application Data\KasperskyLab\adminkit\1093\gsyn\klsdata.dat has been corrupted and will not be recovered. Hardware fixing and application reinstallation are required.

Possible root causes

The most common reasons are OS crash and unexpected reboot (for example due to power loss) of the system with disk caching is enabled. It leads to corruption of KSC repositories.

Solution

1. Uninstall KSC
2. Install KSC
3. Restore from the latest backup

[Egor Erastov]

This also applies to these errors: Service 'kladminserver' has been stopped due to an error. #1192 Administration Server data is inconsistent. You must uninstall Administration Server, install it again, and go through the restoring process by using the klbackup utility. and Service 'kladminserver' has been stopped due to an error. #1187 Bad parameter "name"