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 11 Installation Assistant Stuck at 99%

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Fixing Nginx Upstream Connection Refused and Permission Denied

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

Fix 'Permission Denied' Error When Using pip Install on Linux
When you run pip install somepackage on Linux and see Permission denied...

Fix Explorer.exe Keeps Restarting in Windows 10
If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

Fix Windows Cannot Access Shared Folder HomeGroup
When you see "Windows cannot access \\ComputerName\SharedFolder" while trying to open a H...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings
You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...


    Issue queue
Sitemap
Troubleshoot Cloudflare 521 and Proxy Issues
VSCode Terminal Won't Open After Extension Install
Chrome Crashing on Startup from Malware: Fix
How to Fix npm install ENOENT Error
How to Free Up Disk Space for Docker: No Space Left on Device
How to Restore Lost Git Commits
Chrome Extensions Not Loading After Update: Common Fixes
How to Configure Cloudflare Wildcard DNS Records
How to Set Node Version for a Project
How to Add Python to PATH in Windows
How to Unstick Windows 11 Installation at 99%
Fix Cloudflare SSL Certificate Change Propagation Delay
Desk note

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