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

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

Fix VS Code 'Permission Denied' When Saving Files

You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

Chrome Extensions Not Loading: Common Causes and Fixes

You open Chrome and notice your extensions are missing from the toolbar, or they appear greyed ou...

Windows 11 Blue Screen After Update: Hardware Issue Fixes

You updated Windows 11, and now you get a blue screen. If the error mentions hardware, it's o...

Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode

You open Chrome incognito and hit a warning: NET::ERR_CERT_AUTHORITY_INVALID. Th...

Handling Python Memory Errors with Large File Chunking