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

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Update Authentication Failed in Enterprise Setup

When Windows Update fails with an authentication error in an enterprise setup, it often means the...

Fix BitLocker Authentication Failed with TPM Not Working

If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

Chrome Profile Failed to Start Windows 10: Fix Guide

When launching Chrome on Windows 10, you might see an error like “Your profile could not be opene...

How to Fix SSL Handshake Errors with Cloudflare

If you see an SSL handshake error when using Cloudflare, your browser or server can't establish a...