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

How to Fix Command Prompt Not Opening as Administrator

You right-click Command Prompt and select "Run as administrator," but nothing happens, or it open...

BitLocker Setup Fails with Error 0x8031004A: How to Fix

When enabling BitLocker on a Windows PC, error 0x8031004A typically appears immediately after sel...

Fix BitLocker Recovery "Path Not Found" After Drive Letter Change

If you see a "BitLocker path not found" error after a drive letter changed, it usually means Wind...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

How to Fix Windows Defender File Locked Error 0x80070020

Error 0x80070020 often appears when Windows Defender (Microsoft Defender Antivirus) is scanning a...

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...