Fix 'Windows Security App Not Installed' on Windows 10
You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Restore Windows Security Missing from Start Menu
If Windows Security (formerly Windows Defender) has disappeared from your Start Menu, it usually ...
How to Fix Windows Update Error 0x80240034 (Rate Limit)
If you see error 0x80240034 when checking for Windows updates, it usually means the update servic...
How to Fix DISM Restore Health Error 0x80073712
When running DISM /Online /Cleanup-Image /RestoreHealth, you may see error 0x8007371...
How to Fix SSH Connection Timed Out Error
You're trying to SSH into a remote server, but after a long wait you see ssh: connect to ho...
Fix Certbot Renewal Permission Denied Error
You run certbot renew and get a Permission denied error. This usually h...
Topic paths
Quick titles
How to Fix Windows Login Loop by Adjusting Security SettingsFirefox Profile Lost Troubleshooting GuideWindows Update Rate Limit Error: Causes and FixesFix SSH Host Key Verification Failed in AnsibleResolve Edge Sync Paused No InternetFix Windows Defender Error 0x800704ecHow to Fix a Dead Jupyter KernelFix Windows Update Stuck Checking with Permission Error