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

Fix Windows Defender Permission Denied After Update

After a Windows update, you might see a "permission denied" error when trying to open or run Wind...

Fix Windows Update Black Screen After Restart

After installing a Windows update and restarting, a black screen (with or without a cursor) can b...

Fix 'Token Expired' in Microsoft Teams Without Reinstalling

You're in a meeting, or trying to sign in, and Microsoft Teams says your token has expired. The k...

Fix Windows Activation 502 Bad Gateway DNS Error

If you see a 502 Bad Gateway error during Windows activation, it usually means y...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Setup Windows Search Indexer After Migration

After a Windows migration (upgrade, new PC, or disk clone), you might notice that Windows Search ...