Windows Security App Missing in Windows 11: How to Restore It
If you open Start and type 'Windows Security' but nothing appears, or you get an error when tryin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesCommand Prompt Not Working After Windows Update: Fixes
After a Windows update, Command Prompt may fail to open, show a blank window, or close immediatel...
Checklist: Troubleshoot Windows Search Permission Denied
When you search for files or settings in Windows and get a 'Permission Denied' or 'Access Denied'...
Fix Chrome Login Loop & Permission Denied Error
You try to log into a site in Chrome, but it keeps redirecting you back to the login page, or you...
Fix Remote Desktop Gateway Timeout Error 504
You're trying to connect to a remote desktop through your organization's gateway, but after a lon...
Fix Windows Defender Auto Start Not Working in Windows 10
If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...
Issue queue
SitemapCommand Prompt Error 5: Access Denied Fix
BitLocker No Password Prompt at Boot Troubleshooting
Resolve Windows Activation Failed After Hardware Change
Checklist for Troubleshooting Outlook Startup Issues
Troubleshooting Teams Sign-In Failures
Troubleshoot Error 0x80070035 in Windows Search
PowerShell Settings Won't Reset: Troubleshooting Guide
Windows Terminal Startup Crash Troubleshooting Guide
Windows Update 0x800f081f: Offline Installation Guide
Resolve File Locked Error in Teams After Upload
Windows Activation Stuck on Loading Screen: Fix System Restore Issues
Microsoft Teams DNS Error Fix Checklist
BitLocker No Password Prompt at Boot Troubleshooting
Resolve Windows Activation Failed After Hardware Change
Checklist for Troubleshooting Outlook Startup Issues
Troubleshooting Teams Sign-In Failures
Troubleshoot Error 0x80070035 in Windows Search
PowerShell Settings Won't Reset: Troubleshooting Guide
Windows Terminal Startup Crash Troubleshooting Guide
Windows Update 0x800f081f: Offline Installation Guide
Resolve File Locked Error in Teams After Upload
Windows Activation Stuck on Loading Screen: Fix System Restore Issues
Microsoft Teams DNS Error Fix Checklist