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

Fix Windows Activation Service Unavailable on Windows 10 Pro

If you see the error 'Windows Activation Service Unavailable' on Windows 10 Pro, it usually means...

Fix Windows Search Authentication Failed in Windows 11

If you see an 'authentication failed' error when using Windows Search in Windows 11, the search i...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix "Module Not Found" Error After Microsoft Teams Reinstall

If you recently reinstalled Microsoft Teams and now see a “module not found” error, it usually me...

Fix Windows Defender High Memory Usage & Error 0x80070002

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

Fix Microsoft Teams SSL Certificate Expired Error

You open Microsoft Teams and see a warning that the SSL certificate has expired. The app may fail...