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

Fix Windows Security 404 Not Found on Startup

When Windows Security shows a 404 error on startup, it typically means the app can't find its req...

How to Fix Chrome DNS Error Code 105 (ERR_NAME_NOT_RESOLVED)

If you see "DNS error code 105" or "ERR_NAME_NOT_RESOLVED" in Chrome, it means the browser cannot...

Fix Microsoft Store Auto-Start Not Working After Windows Update

After a Windows update, you may notice that apps from the Microsoft Store no longer start automat...

How to Fix BitLocker Access Denied on a USB Drive

You plug in your BitLocker-encrypted USB drive, enter the password, and get an 'access denied' me...

Fix Microsoft Store Not Opening After Reset Settings

After resetting Windows settings, you might find that the Microsoft Store won't open—clicking the...

Windows Update High CPU Usage Troubleshooting Checklist