Checklists for software errors, setup, and tool workflows.

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Fix Microsoft Store 502 Bad Gateway by Clearing Cache

You open Microsoft Store and see a 502 Bad Gateway error. This usually means the...

PowerShell Not Found After Installation: Fixes That Work

You installed PowerShell — maybe the latest version — but when you type powershell o...

How to Fix Windows Defender Error 504 in 5 Steps

Windows Defender error 504 typically appears when the security service fails to start or update. ...

Fix OneDrive Sync High CPU Usage with Error 0x8004de40

If OneDrive is using high CPU and showing error 0x8004de40, the sync client is likely stuck in a ...

Fix PowerShell Port Already Allocated Permission Denied

When running a PowerShell script that listens on a TCP port, you might see errors like port...

Windows Defender Real-Time Protection Off but Still Scanning: Fix
You turn off real-time protection in Windows Defender, but scans still run. This can be confusing...