Fix Windows Defender 404 Error in Command Prompt
When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix OneDrive Sync Connection Refused Error
You open OneDrive and see a 'Connection refused' error. Your files aren't syncing, and the OneDri...
Fix Microsoft Store Authentication Fails Due to Proxy
If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...
How to Unlock a Chrome Profile File: Practical Steps
You try to open Chrome and get a message that your profile is locked, or you can't sign in. This ...
Windows Security Scan Stuck at 99%: Practical Fixes
You run a Windows Security (formerly Windows Defender) scan, it reaches 99%, and then… nothing. I...
Fix npm install ENOENT Package.json on Mac
When you run npm install on a Mac and see an error like ENOENT: no such file o...
Topic paths
Quick titles
Outlook High CPU Usage: Troubleshooting ChecklistFix Chrome Profile Reset Stuck on Settings ScreenFix Chrome Profile Error After Update: Step-by-StepFix Windows 10 Activation Proxy Error: Step-by-Step GuideHow to Fix Chrome Not Loading After UpdateWindows Search 504 Error Antivirus FixHow to Stop Task Scheduler Login LoopTroubleshooting Teams-Outlook Calendar Sync Failures