Checklists for software errors, setup, and tool workflows.

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Windows Defender Troubleshooting Guide: Step-by-Step Fixes

Windows Defender (now Microsoft Defender Antivirus) may stop working due to corrupted files, conf...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Terminal Stuck on Splash Screen

Windows Terminal opens to a splash screen and then hangs—no cursor, no tabs, just the logo. This ...

Fix Windows Search Proxy Issues When VPN Is Active

If Windows Search stops returning results when you connect to a VPN, the problem is often related...

Fix Microsoft Store 'Service Unavailable Permission Denied'

When you open Microsoft Store and see "Service Unavailable Permission Denied", i...