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

Fix KMS Activation Error: Port 1688 Already in Use

Fix Remote Desktop Port Already Allocated Error

When you try to start Remote Desktop (RDP) or change its listening port, you may see an error lik...

Fix Chrome DNS Probe Finished Bad Config Error

If you see 'DNS_PROBE_FINISHED_BAD_CONFIG' in Chrome, it usually means your computer can't reach ...

How to Fix a File Locked by Another User in an RDP Session

You try to edit a file over Remote Desktop and get an error like "The file is locked by another u...

How to Fix Windows Update Rate Limit Error

You may see an error like "Windows Update encountered a rate limit error" when checking for updat...

Fixing PowerShell Authentication Failed Due to Certificate Errors

When PowerShell commands fail with "Authentication failed" and mention certificates, the issue is...