Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listCommand Prompt High CPU Usage: Sysadmin Checklist
When Command Prompt (cmd.exe) consumes excessive CPU, it often indicates a runaway batch script, ...
Fix Windows Defender Firewall Blocking Internet Connection
If your internet stops working after a Windows update or firewall configuration change, Windows D...
How to Fix Windows Search 'Permission Denied' Errors
When you try to search for a file in Windows and see 'Permission Denied' or 'Access Denied', it u...
How to Fix a 502 Bad Gateway Error in Windows Terminal
If you see a 502 Bad Gateway error in Windows Terminal, it usually means the ter...
Task Scheduler Not Triggering on Time: Fixes and Checks
You set a task in Windows Task Scheduler to run at a specific time, but it either doesn't run or ...
Topic paths
Quick titles
Resolve 504 Gateway Timeout in Scheduled TasksWindows Store Download Stuck at 0%? Fix It HereFix Windows Update Permission Denied ErrorWindows RDP Security Configuration: Fix Common ErrorsFix Windows Search Not Indexing External DrivesCargo Build Error: could not find spec for crateWindows 10 BitLocker Blank Screen After Password FixFix Microsoft Store Error 0x80073cf0: Invalid Configuration