Fix Windows Defender Not Working After Update
After a Windows update, you might find that Windows Defender (Microsoft Defender Antivirus) is di...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PuTTY Network Error: Connection Refused on Ubuntu
When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...
Fix Command Prompt Proxy Settings 502 Bad Gateway
If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...
Fix Remote Desktop Module Not Found Error Easily
When you see 'remote desktop module not found' while trying to connect, the RDP service or its co...
Windows Defender Command Not Found in PowerShell: Fixes
When you type Get-MpComputerStatus or other Defender cmdlets in PowerShell and see <...
Fix Windows Defender Update Failed Errors
When Windows Defender fails to update its virus definitions, you may see error codes like 0x80240...
Topic paths
Quick titles
Diagnose 504 Gateway Timeout with PingHow to Configure Windows Defender for Ubuntu Dual Boot502 Bad Gateway in Chrome? Clear Cache NowHow to Setup BitLocker Without a Network ConnectionFix Chrome SSL Certificate Authentication ErrorHow to Resolve OneDrive Sync Error 0x8004de40 on LinuxHow to Fix Chrome Proxy Settings Network ErrorTroubleshoot PowerShell Remote Server Connection