What is the CBS log file?

What is the CBS log file?

CBS or Component-Based Servicing is a file that has logs about the installed and uninstalled Windows Update component. So, information of your Windows Update is stored in these log files, even the System File Checker (SFC) writes to CBS.

How do I fix a corrupt CBS log file?

Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log. To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file.

Can I delete the CBS log file?

If you need the big CBS. log file — unlikely but possible — just use a text reader like Notepad to go into the renamed or moved file. If you aren’t terribly interested in the log files, you can delete them.

How do I open a CBS log file?

To view CBS. log, you can go to the path %windir%\Logs\CBS\CBS. log and double-click CBS. log file to open it.

How do I disable CBS log?


  1. Stop the Windows Modules Installer service, by clicking Start and in the Search box type services.msc.
  2. Scroll down to the Windows Modules Installer service and double-click on it.
  3. Under Service status, click Stop, then click OK.
  4. Use File Explorer to go to C:\Windows\Logs\CBS. (

Can log files be deleted?

Yes, log files can be safely deleted. Next time a log file needs to be appended to and is missing, it will be created (don’t delete the actual Logs folder itself though). Log files are always presumed transient.

Where are CBS logs located?

The CBS. log file is located in the %windir%\Logs\CBS folder. The Windows Modules Installer service also writes to this log file. (The Windows Modules Installer service installs optional features, updates, and service packs.)

How do I check for corrupted files?

Perform a check disk on the hard drive Open Windows File Explorer and then right click on the drive and select ‘Properties’. From here, select ‘Tools’ and then click ‘Check’. This will scan and attempt to fix glitches or bugs on the hard drive and recover corrupt files.

Is it safe to delete CBS persist Logs?

The CbsPersist logs are really only useful to diagnose problems and issues that are related to Windows Updates / Com Store. It would be safe to delete all, but should probably keep the last one, as that’s usually the latest.

How do I find corrupt files?

Where are CBS Logs located?