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

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 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

How to Fix '404 Not Found' File Path Errors in CMD

Checklist to Clear and Rebuild Windows Update Cache

Windows Update can get stuck or fail with errors like 0x80070002 or 0x8024401c when the update ca...

Fix 'Rate Limit Exceeded' Error During Windows Activation

You try to activate Windows, but you get a message saying “Rate limit exceeded. Please tr...