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

How to Set Up Chrome Profile Backup on Ubuntu

If you use Chrome on Ubuntu, your profile holds bookmarks, passwords, extensions, and settings. L...

How to Fix Windows Update Certificate Trust Error

You see a message like "Windows could not search for new updates" or "An error occurred while che...

Fix Windows Security Authentication Error 0x80070035

Windows Update Service Not Running: How to Fix

If Windows Update fails to check for updates and you see an error like “Windows Update service is...

How to Fix Windows SSL Certificate Error in Chrome

If you see "Your connection is not private" or "NET::ERR_CERT_DATE_INVALID" in Chrome on Windows,...

How to Reset Microsoft Store Settings Without Losing Apps

If the Microsoft Store won't open, downloads hang, or updates fail, resetting the Store can often...