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

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...

Fix PowerShell Version Mismatch in Remote Commands

When you run remote commands via PowerShell remoting (Invoke-Command, Enter-PSSession), you may s...

Fix KMS Activation Error: Port 1688 Already in Use

Kubectl Context Not Found After Switching Clusters

You switch to a different Kubernetes cluster, run kubectl get pods, and get an error...

How to Fix Microsoft Store Error 0x80073cf6 During Restore

You try to restore your Microsoft Store apps, and halfway through you see error code 0x80073cf6. ...

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, ...