Fix Windows Security Service Failing to Start on Startup
If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows 10 Activation Stuck on ‘Getting Settings’ – Fixes
If Windows 10 activation is stuck on the 'Getting settings' screen, you're not alone. This often ...
Fix Network Error 0x80070035 in Command Prompt
When you try to access a shared folder or network drive using command prompt and get error 0x8007...
Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...
Fix Windows Activation 502 Bad Gateway Firewall Issues
When you try to activate Windows and see a 502 Bad Gateway error, it often point...
Chrome Profile 404 Not Found: Delete and Restore Profile
If Chrome shows a '404 Not Found' error when trying to open your profile, the profile folder may ...
Topic paths
Quick titles
Fix Windows Defender File Locked by System ErrorHow to Fix Windows Activation Error 0x803fa067Windows Activation File Locked: How to FixVS Code Debugger Broken After Update: FixesHow to Resolve Windows Defender Permission IssuesFix Outlook Sync Problems Due to Version MismatchHow to Fix PowerShell Startup FailureHow to Fix Chrome Permission Denied Issues