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

Fix Chrome Profile Download Stuck at 99% on Windows

You're downloading a Chrome profile (or a file that triggers a profile download) and it gets stuc...

Chrome Profile 404 Not Found: Troubleshooting Checklist

You try to open Chrome and get a 404 error for your profile, or you see a message that the profil...

How to Clear Chrome Profile Cache Without Losing Passwords

If Chrome feels sluggish or behaves oddly, clearing the profile cache can help. But you don't wan...

Fix Windows Activation Service Unavailable Error

You try to activate Windows, but see 'Activation service unavailable' or 'We can't activate Windo...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

How to Set Up SSL Certificate for Localhost on Windows 11

If you're developing a web application locally and need HTTPS, you can set up a self-signed SSL c...