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

How to Repair a Corrupted Windows Security Log

If you see errors like "The security log is corrupted" or Event ID 1104 in the System log, Window...

Fix Windows Defender 504 Gateway Timeout Configuration Error

When you see a 504 Gateway Timeout error in Windows Defender, it usually means t...

Task Scheduler Token Expired: Fix Scheduled Tasks Not Running

If your scheduled tasks suddenly stop running and you see errors about token expiration, it's usu...

How to Fix OneDrive 404 Error When Opening Shared Files

When you click a shared OneDrive link and see a 404 error, the file is not deleted or corrupted—u...

How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'