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

Fix Windows Update 504 Gateway Timeout on Windows 10

If you see a 504 Gateway Timeout error when running Windows Update on Windows 10, it usually mean...

Fix Windows Terminal Permission Denied File Locked Error

Fix BitLocker File Locked After Windows Update

After a Windows update, some users find that BitLocker-encrypted files or drives show as locked o...

How to Fix Windows Security Certificate Error Not Trusted

You're browsing or running an app and Windows throws a security warning: the certificate is not t...

Fix DNS Probe Finished No Internet Error in Command Prompt

When you see the error "DNS probe finished no internet" in a browser or Command Prompt, your devi...

How to Fix 'Permission Denied' When Running PowerShell as Administrator

You right-click PowerShell and select 'Run as administrator', but instead of an elevated prompt, ...