Checklists for software errors, setup, and tool workflows.

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Fix Windows Update Error 0x80070002 with System File Checker

When Windows Update fails with error 0x80070002, it often points to missing or corrupted system f...

Fix Git 'index.lock' Error in VS Code

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

Fix Docker Build Fails: No Space Left on Device

You run docker build and it fails with no space left on device. This is...

VS Code IntelliSense Not Working for C++: Practical Fixes

If you're editing C++ code in Visual Studio Code and IntelliSense stops working—no auto-compl...

Fix Chrome Certificate Error: Invalid Authority Registry on Windows

When browsing in Chrome, you may encounter a certificate error stating “invalid authority...

How to Disable Shell Extensions to Stop Explorer Restarting
If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...