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

Fix Windows Security App Not Responding: Step-by-Step

You open Windows Security to run a scan or check protection, but the app freezes, shows a blank w...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix VS Code Git Authentication Failed Keychain Error

If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...

How to Fix Chrome Black Screen After Turning Off Hardware Acceleration

If you turned off hardware acceleration in Chrome and now see a black screen, you're not alon...

Fix Windows Update Error 0x80070002 Using DISM

If you see Windows Update error 0x80070002, it usually means the update system can't find a n...

Fix Python venv Not Activating in VS Code Terminal

When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...