Checklists for software errors, setup, and tool workflows.

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PowerShell Missing After Windows Update – How to Fix

After installing a Windows update, you may find that PowerShell no longer appears in the Start me...

Fix Microsoft Store Dependency Conflict on Windows 11

You try to install or update an app from the Microsoft Store on Windows 11, but it fails with an ...

Fixing 504 Gateway Timeout from Windows Update with Proxy

If you see a "504 Gateway Timeout" error when running Windows Update, and your system uses a prox...

How to Fix Windows Defender Not Starting Automatically

If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...

Fix Windows Defender Proxy Error: Permission Denied

You try to update Windows Defender or run a scan and get an error like "Permission denied"

Windows Security Update Not Installing After Reboot: Fixes
You restart your PC to finish installing a Windows security update, but after the reboot, the upd...