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%

Many users report that the Windows 11 Installation Assistant gets stuck at 99% during the upgrade...

Python Command Not Found in CMD but Works in Anaconda

You open Command Prompt, type python, and get 'python' is not recogniz...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode
When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server
If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Python Requests Timeout Not Waiting: Fixes and Checks
You set a timeout in Python's requests library, but the call either hangs foreve...

Fix Python Dependency Conflict Error Code 1
When installing Python packages with pip, you might see an error ending with exit code 1


    Issue queue
Sitemap
Chrome Memory Optimization Settings: Reduce RAM Usage
Fix Remote Desktop Connection Failed: Permission Denied
How to Resolve Cloudflare 521 After Server Update
How to Set Node Version for a Project
Node.js Out of Memory Error Code 134 Fix
Cloudflare SSL Full vs Flexible: Fixing Mixed Content and Errors
Troubleshooting Microsoft Edge Sync Error 0x80072efd
How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush
How to Fix npm run build Exit Code 1
Fix Chrome Sync Not Working on Android
How to Change Git Remote Origin When It Already Exists
pip Externally Managed Environment Error Guide
Desk note

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