Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Change Microsoft Store App Download Path in Windows
By default, Microsoft Store apps install to the system drive (usually C:). If that drive is low o...
Jupyter Notebook Token Not Working? How to Reset Password
You start Jupyter Notebook, see the token prompt, paste the token from the terminal, but it fails...
Fix npm EACCES Error When Installing Global Packages
When you run npm install -g some-package and see an EACCES: permission denied<...
Fix PowerShell Stuck on Startup in Windows 10
If PowerShell appears to hang or become unresponsive every time it starts on Windows 10, the issu...
Windows Task Scheduler Service Not Starting: Fixes
If the Task Scheduler service won't start, scheduled tasks won't run and you'll likely see an err...
Topic paths
Quick titles
Chrome Profile Not Syncing on Mac FixHow to Fix Windows Search Stuck LoadingHow to Fix Chrome Blank Profile After UpdateFix Microsoft Store Error 0x80246007 During UpdatesChoosing Between Cron and Systemd Timers in UbuntuWindows Update Error 0x80073712 FixWindows Activation Network Error Troubleshooting GuideTroubleshoot RDP Connection Refused on Network