Docker Nginx 502 Bad Gateway: Memory Limit Fix
You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix VS Code Source Control Not Detecting Changes After Branch Switch
After switching branches in Git, VS Code's Source Control view sometimes stops showing change...
Docker Desktop Engine Not Responding: Practical Fixes
You click Start in Docker Desktop, the whale icon spins, but nothing happens — o...
Fix Python Venv Not Activating in PowerShell
You open PowerShell, navigate to your project, and run venv\Scripts\activate but not...
Why VS Code Debugger Breakpoints Are Greyed Out and How to Fix
You set a breakpoint in VS Code, but it appears greyed out and the debugger skips it. This usuall...
Fix Windows Update Error 0x800f081f with System File Checker
Windows Update error 0x800f081f typically appears when the update component or system files are c...
Issue queue
SitemapFix NXDOMAIN Error When Using Custom DNS Server
Resolve Node Sass Binding Not Found
Docker Disk Full: Build Failure Troubleshooting
Python Virtual Environment Not Activating on Mac: Fixes
Troubleshoot Windows Defender Real-Time Protection Stuck Off
How to Enable Windows Defender When Third-Party AV Blocks It
How to Resolve nginx -t Rewrite Failures
Stuck at 99% Windows 11 Installation Assistant Solution
Docker Desktop Engine Stopped: Fix Firewall Block
Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate
Cloudflare Wildcard DNS Not Working
How to Resolve Docker Authentication Failed
Resolve Node Sass Binding Not Found
Docker Disk Full: Build Failure Troubleshooting
Python Virtual Environment Not Activating on Mac: Fixes
Troubleshoot Windows Defender Real-Time Protection Stuck Off
How to Enable Windows Defender When Third-Party AV Blocks It
How to Resolve nginx -t Rewrite Failures
Stuck at 99% Windows 11 Installation Assistant Solution
Docker Desktop Engine Stopped: Fix Firewall Block
Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate
Cloudflare Wildcard DNS Not Working
How to Resolve Docker Authentication Failed