Checklists for software errors, setup, and tool workflows.

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix Windows Update Service Not Running with DISM Restore Health

You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...

Fix Wi-Fi No Internet on Windows 11 Without Restarting Router

You connect to Wi-Fi, the icon shows internet access, but browsers say no internet. Restarting th...

Bluetooth Icon Missing in Windows 11: How to Restore It

You open the system tray on Windows 11 and the Bluetooth icon is gone. Even if Bluetooth is turne...

Fix net::ERR_CERT_AUTHORITY_INVALID on Chrome in Linux Terminal

When you see net::ERR_CERT_AUTHORITY_INVALID in Chrome on Linux, it usually means th...

VS Code Git Changes Not Detected After Save: Fixes

You save a file in VS Code, but the Source Control panel shows no changes. The file doesn't a...