Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

How to Fix Chrome Black Screen After Turning Off Hardware Acceleration

If you turned off hardware acceleration in Chrome and now see a black screen, you're not alon...

Fix Windows 11 Update Stuck at 0% with Low Disk Space

You're trying to install a Windows 11 update, but it's stuck at 0% for a long time. One f...

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix Chrome Certificate Error: Invalid Authority SSL Certificate
If Chrome shows 'Your connection is not private' with 'NET::ERR_CERT_AUTHORITY_INVALI...

Fix Nginx 502 Bad Gateway in Docker Containers
An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Windows Defender Real-Time Protection Greyed Out: How to Fix
If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...


    Issue queue
Sitemap
Nginx Upstream Connection Refused Socket Fix
Enable Windows Defender Real-Time Protection via Group Policy
Fix Git Large File Push Permission Denied
Firefox Secure Connection Error After Update Fix
How to Fix DNS_PROBE_FINISHED_NXDOMAIN Error in Edge
How to Remove a Stale Git Lock File
CMD Python venv Activation Troubleshooting
Third-Party Antivirus Interfering with Edge Sync: Solutions
How to Resolve Git Remote Origin Already Exists
Fix Docker 'network not found' Error for Custom Networks
Fix 'python' Command Not Found in Windows
Stop Nginx Redirect Loop with These Checks
Desk note

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