Knowledge base for software setup, errors, and daily tool work.

Fix Windows Defender Error 0x800106ba: Failed to Start

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

Fix Windows Security 504 Gateway Timeout During Windows Update

If you see a "504 Gateway Timeout" error in Windows Security while trying to run Windows Update, ...

Chrome Not Opening on Windows 10: Practical Fixes

You click the Chrome icon, but nothing happens. Or it opens briefly and closes. This is a common ...

Fix WSL Ubuntu Internet Not Working After Windows Restart