Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

Fix Windows Update Error 0x80070002 Using DISM

If you see Windows Update error 0x80070002, it usually means the update system can't find a n...

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Fix DNS Probe Finished NXDOMAIN in Edge Browser

When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...

Fixing Nginx Upstream Connection Refused and Permission Denied

If you see connect() failed (111: Connection refused) or connect() failed (13:...

How to Troubleshoot Remote Desktop Connection Issues
Remote Desktop (RDP) lets you control another computer over a network. When it fails, you usually...


    Issue queue
Sitemap
Windows Git SSL Problem: Local Issuer Certificate Missing
Troubleshoot Missing IntelliSense in Remote SSH
Fixing nginx -t Errors: Common Issues
Fix Bluetooth Pairing in Windows 11
Why Docker Containers Exit Immediately on Linux
Fix Git SSL Certificate Problem Unable to Get Local Issuer on Ubuntu
Resolving Python's Externally Managed Environment Warning
How to Use Git LFS in Your Repository
How to Handle Python Timeout Exceptions
Fix DNS Probe Finished NXDOMAIN Error on Mac
Troubleshoot Windows 11 BSOD After Update Using SFC
How to Set Up a Git Merge Conflict Resolution Tool
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities