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

Fix BitLocker Error 0x80310017: Authentication Failed

When you see the error "BitLocker authentication failed" with code 0x80310017 during startup, it ...

Fix Windows 10 Product Key Not Working on Mac Boot Camp

If you've installed Windows 10 on a Mac via Boot Camp and your product key isn't accepted, you're...

Fix Windows Activation Cannot Connect to Activation Server via CMD

When Windows fails to activate and displays "Cannot connect to activation server," it's usually a...

Fix PowerShell Startup Script Not Running After Logon

You’ve set up a PowerShell script to run at startup, but after logging in, nothing happens. The s...

Fixing PowerShell Authentication Failed Due to Certificate Errors

When PowerShell commands fail with "Authentication failed" and mention certificates, the issue is...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN