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

WireGuard Handshake Not Completing: Practical Checklist

If your WireGuard tunnel is up but the handshake never completes, you'll see no data transfer and...

Fix Windows Activation Blank Screen via Registry

After activating Windows, some users see a blank screen with only a cursor. This usually points t...

How to Fix Command Prompt Not Opening as Administrator

You right-click Command Prompt and select "Run as administrator," but nothing happens, or it open...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Fix 'Security Module Not Found' in Windows Defender

If you see a message in Windows Security that says something like "Security module not found" or ...

Fix Windows Search Indexing Stuck at 0%

When you open Indexing Options and see the status stuck at "0% complete" for more than a few minu...