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

Fix Windows Defender Real-Time Protection Off via Registry

If you see "Real-time protection is off" in Windows Security and the toggle is grayed out or keep...

Fix Chrome Profile Port Already Allocated Error

Stop Chrome from Asking to Log In to Your Profile

You open Chrome, and it immediately asks you to sign in to your profile again—even though you jus...

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

How to Fix DISM Restore Health Error 0x80073712

When running DISM /Online /Cleanup-Image /RestoreHealth, you may see error 0x8007371...

Fix Windows Search Blank Screen When Clicking Start Menu

If clicking the Start menu shows a blank search screen instead of the usual results and apps list...