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

Fix Windows Search Blank Screen Error 0x80070002

If you open Windows Search and see a blank screen or empty results along with error code 0x800700...

How to Fix Windows Login Loop by Adjusting Security Settings

If you're stuck in a Windows login loop—where you enter your password, the screen goes black or l...

How to Fix OneDrive Sync Slow Performance

If OneDrive sync is noticeably slow, you're not alone. Common causes include large file transfers...

Fix PowerShell Proxy Authentication Failed Errors

Fix Windows Defender 404 Not Found After Update

After installing a recent Windows update, some users find that Windows Defender is missing or sho...

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...