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

How to Fix DNS Server Not Responding During Windows Update

When you run Windows Update and see a 'DNS server not responding' error, it usually means your PC...

Fix OneDrive File Locked by Office Document Sync Issue

You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...

Fix PowerShell Remote Connection Refused Error

Fix PowerShell 502 Bad Gateway Caused by TLS Version Mismatch

If you see a 502 Bad Gateway error when running PowerShell scripts that call web...

BitLocker SSL Certificate Error: Step-by-Step Fixes

If you see a BitLocker SSL certificate error, it usually means the drive encryption can't verify ...

Fix Chrome Profile Connection Refused Error

You open Chrome and see "Connection refused" or "ERR_CONNECTION_REFUSED" for every site, or only ...