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

Fix PowerShell Offline Installer Dependency Failures

When installing PowerShell on an air-gapped or offline system, the installer often fails because ...

How to Fix Windows Defender Service Not Running

If you see a message that Windows Defender is not running or the security center shows it's off, ...

Fix PowerShell Auto-Start 'Permission Denied' Error

You set a PowerShell script to run automatically at startup, but instead of running, you see a 'P...

Fix Remote Desktop Error 0x204: Step-by-Step

When you see remote desktop error code 0x204, the connection fails before the login screen appear...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...

How to Fix Chrome SSL Certificate Error After Update