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

Check PowerShell Version Before Running Scripts

You wrote a PowerShell script or downloaded one from a repository. You run it, and it fails with ...

How to Fix Microsoft Teams 504 Gateway Timeout

If you're seeing a 504 Gateway Timeout error in Microsoft Teams, it usually means the server your...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix PowerShell Settings Reset After Windows Update

After a Windows update, you may find that your PowerShell settings—such as execution policy, prof...

How to Fix Dependency Conflicts with Windows Defender Service

If Windows Defender won't start or you see errors about a dependency conflict, the issue often li...

How to Fix 'Access Denied' in Windows Defender via Group Policy

You're trying to configure Windows Defender settings through Group Policy, but you get an 'Access...