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

How to Reset Windows Defender Settings Without Losing Data

If Windows Defender is misbehaving—showing false positives, failing to update, or blocking legiti...

BitLocker Authentication Failed: USB Key Not Recognized Fix

When BitLocker prompts "Authentication failed" and your USB key isn't recognized, the drive is lo...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

How to Fix Microsoft Teams Not Loading

When Microsoft Teams fails to load, you might see a spinning circle, a blank screen, or an error ...

Fix BitLocker Auto-Unlock Permission Denied Error

You've encrypted a drive with BitLocker and want to enable auto-unlock so you don't have to enter...

BitLocker Network Unlock Error 0x80070035 Fix

When BitLocker Network Unlock fails with error 0x80070035 (the network path was not found), the s...