Knowledge base for software setup, errors, and daily tool work.

Fix Git 'index.lock file exists' Error

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

Fix Windows Update Error 0x800f081f After SFC ScanNow

You run sfc /scannow to check system files, and it completes successfully. But when ...

Fix Docker Pull Access Denied on Windows 10

When you run docker pull on Windows 10 and see access denied, the pull ...

Fix Chrome Extensions Not Loading Configuration

You install a Chrome extension, configure it carefully, and then—nothing. The extension icon is g...

VS Code Git Not Detecting Changes in Workspace: Fixes

You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist