Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block
If you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means the browser can'...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Git SSL Certificate Problem: Unable to Get Local Issuer
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...
Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...
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 PowerShell Permission Denied in VS Code
When you try to run a PowerShell script in VS Code and get a "permission denied" error, i...
Fix Cloudflare 522 Error with Nginx Configuration
You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...
Issue queue
SitemapWindows 11 Update Stuck: Permission Denied Troubleshooting
Git LFS Migrate: Rewriting History for Large Files
Fixing Git Authentication Failed in VS Code
Stop Windows Security App from Crashing
Fix 'nginx: configuration test failed unexpected end of file'
Troubleshooting node-sass Build Errors on macOS
Fix Bluetooth Not Showing in Device Manager on Windows 11
Dealing with pip's Externally Managed Environment Warning
Windows 11 Installation Assistant Stuck at 99% Due to Antivirus
Resolving Git SSL Certificate Error with Proxy
Stop Antivirus from Causing DNS Probe Finished NXDOMAIN
Fix Firefox Secure Connection Failed (Error Code Guide)
Git LFS Migrate: Rewriting History for Large Files
Fixing Git Authentication Failed in VS Code
Stop Windows Security App from Crashing
Fix 'nginx: configuration test failed unexpected end of file'
Troubleshooting node-sass Build Errors on macOS
Fix Bluetooth Not Showing in Device Manager on Windows 11
Dealing with pip's Externally Managed Environment Warning
Windows 11 Installation Assistant Stuck at 99% Due to Antivirus
Resolving Git SSL Certificate Error with Proxy
Stop Antivirus from Causing DNS Probe Finished NXDOMAIN
Fix Firefox Secure Connection Failed (Error Code Guide)