Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx Config Test Not Working After Editing nginx.conf

You've edited nginx.conf, run nginx -t to test, and it fails or produces no output. ...

How to Fix PuTTY SSH Connection Refused Error

You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...

How to Fix Command Prompt Proxy Error
If you get a proxy error in Command Prompt—for example, when running curl, git...

How to Fix OneDrive 'File Locked' or 'Permission Denied' Errors When you see "File locked" or "Permission denied" in OneDrive, it usually means another process h...

Fix Microsoft Teams Screen Sharing Not Working on Mac You’re in a meeting, click the share button, and nothing happens—or the screen goes black. Screen...

Remote Desktop Command Not Found: Setup Checklist When you type a remote desktop command like xfreerdp or rdesktop and se...

Issue queue Sitemap Windows 10 Task Scheduler Not Running Fix Resolving PowerShell Access Denied When Running Elevated Remote Desktop 0x80004005 Permission Denied Fix Task Scheduler Fails to Start: Service Not Running Troubleshoot Windows Search Service Configuration Guide Task Scheduler Version Mismatch Configuration Guide Troubleshoot OneDrive Sync Error 0x8004de40 Resolve High CPU Usage by Task Scheduler Background Tasks Microsoft Store Auto-Start Broken After Update Fix systemd service exit code 203 (exec format error) Fix Teams Setup Error: Installation Failed on Windows Certificate Configuration for Task Scheduler Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities