Fix Git Push Rejected: Non-Fast-Forward Error
You try to push a commit to a remote repository and get: ! [rejected] main -> main (non-...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows 11 Installation Assistant Stuck at 99% Disk Space
You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...
Fix Python venv Not Activating in CMD
You create a virtual environment with python -m venv myenv, navigate to the Scripts ...
Fix VS Code Git Authentication Failure with No Prompt
You try to push or pull in VS Code and see an error like "Git authentication failed" but ...
Fix 'pip externally managed environment' Error for venv Setup
When creating a Python virtual environment on newer Linux distributions (e.g., Debian 12, Ubuntu ...
How to Set Node Version for a Project
When working on multiple projects that require different Node.js versions, you may encounter erro...
Issue queue
SitemapWindows 11 Install Assistant Stuck at 99%? Try These Fixes
How to Fix DNS Probe Errors via Router Settings
Flush DNS Cache Windows 11 Internet Fix
Docker Container Exits Immediately After Start: Network Fixes
How to Fix Docker Nginx 502 with Multiple Containers
RDP Setup Guide: 10 Steps for Windows
Git Stash Fails: index.lock Exists – Fix
Fix 'Python' Command Not Found in VS Code Terminal on Windows
npm ENOENT package.json Not Found Fix
Docker Desktop Engine Keeps Crashing Fix
Resolve Docker Exit Code 255 Network Missing
VSCode Terminal Not Opening with Python Fix
How to Fix DNS Probe Errors via Router Settings
Flush DNS Cache Windows 11 Internet Fix
Docker Container Exits Immediately After Start: Network Fixes
How to Fix Docker Nginx 502 with Multiple Containers
RDP Setup Guide: 10 Steps for Windows
Git Stash Fails: index.lock Exists – Fix
Fix 'Python' Command Not Found in VS Code Terminal on Windows
npm ENOENT package.json Not Found Fix
Docker Desktop Engine Keeps Crashing Fix
Resolve Docker Exit Code 255 Network Missing
VSCode Terminal Not Opening with Python Fix