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corrupted klbackupdepository.dat

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operating system: windows 10 home

application version: Kaspersky security cloud free


so i run a full scan and it detects 1800+ event, it is all klbackupdepository.dat file and all of them are corrupted, i contacted microsoft and they say its a kaspersky file, they recommend me to do a clean install of windows and then i clean installed, after that i run a full scan again and it detects 3500+ event and its all klbackupdepository.dat file corrupted too, even more than before clean install. am i infected?

Result: Corrupted
Result description: Corrupted


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Hello @Calvin Christofan

Thank you for posting back!

  • 💥 IF the restart does not happen ‘automatically’, shutdown the computer using Shutdown, not Restart, then power the computer on, login, make sure the Kaspersky software is active & recheck the original issue? 

When it’s available, please share the outcome with the Community?

Thank you🙏
Flood🐳 +🐋

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do i need to run a full scan again to check the corrupted file?

  1. Please submit a screenshot from the end summary from the CHKDSK scan.
  2. After “chkdsk /f /R” and manual reboot  please run another full scan.


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@Berny the chkdsk is completed and i have ran a full scan too, the corrupted file is still here but its decreased from 3700 to 1800 events, same number as before clean install, before clean install i have 1897 events and now i got the same 1897 events too, so the issue is not resolved yet.

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