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

How to Fix Windows Activation Version Mismatch Error

You may see a Windows activation error saying the product key doesn't match the installed edition...

Fix Error 0x80070643 When Windows Update Stuck

You click "Check for updates" and Windows Update hangs or fails with error 0x80070643. This usual...

Fix WireGuard Handshake Not Completing on Android

If you see 'Handshake did not complete' in the WireGuard Android app, the tunnel can't establish ...

How to Enable Windows Update Service When It Is Disabled

If Windows Update fails to run or you see an error like "Windows Update cannot check for updates"...

Stop Windows Search Service to Free Up a Port

You might need to stop Windows Search if it's holding port 10243 or another port you need for dev...

Fix Chrome Profile Port Already Allocated Error