Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Error 0x80070005 When Updating Windows
When you see error 0x80070005 during a Windows Update, it usually means the update process lacks ...
Git Merge Conflict: How to See the Diff Between Versions
When you run git merge and hit a conflict, Git pauses and marks the conflicting file...
How to Fix Nginx Redirect Loop from HTTP to HTTPS
If you're seeing an infinite redirect loop when trying to force HTTPS in nginx, the browser u...
Fix Firefox Secure Connection Failed Error Due to Antivirus
You try to visit a website in Firefox and see a message like “Secure Connection Failed” or “PR_CO...
How to Avoid Docker Build Context Canceled Errors
If you've seen docker build context canceled during a build, it usually means th...
Issue queue
SitemapFix Chrome Black Screen on Intel Graphics with Hardware Acceleration
VS Code IntelliSense Not Working? Try These Fixes
Edge Sync Stopped After Antivirus Update? Here's the Fix
Antivirus Causing Chrome Access Violation: Solutions
Node.js Memory Limit Troubleshooting Guide
Git Auto-Resolve Not Working? Here's What to Check
VS Code Debugger Ignores Express Breakpoints
Fix Git Authentication Failed in VSCode
Troubleshoot Windows 11 Update Hanging at 0%
Troubleshooting VS Code Permission Denied on Mapped Drives
Conda Permission Denied on Package Install
Docker Nginx 502 Bad Gateway Troubleshooting Ubuntu
VS Code IntelliSense Not Working? Try These Fixes
Edge Sync Stopped After Antivirus Update? Here's the Fix
Antivirus Causing Chrome Access Violation: Solutions
Node.js Memory Limit Troubleshooting Guide
Git Auto-Resolve Not Working? Here's What to Check
VS Code Debugger Ignores Express Breakpoints
Fix Git Authentication Failed in VSCode
Troubleshoot Windows 11 Update Hanging at 0%
Troubleshooting VS Code Permission Denied on Mapped Drives
Conda Permission Denied on Package Install
Docker Nginx 502 Bad Gateway Troubleshooting Ubuntu