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

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

How to Reset Chrome to Fix ERR_NAME_NOT_RESOLVED

You try to visit a website, but Chrome shows ERR_NAME_NOT_RESOLVED. This usually...

Fix Python Permission Denied When Installing Package via Docker

Fix Windows 11 Blue Screen After Update with Recovery Environment

If you're seeing a blue screen after a Windows 11 update and can't boot normally, the Win...

How to Fix the Git index.lock File Exists Error

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...