1. Open "Registry Editor" app on your PC
2. Go to "Computer\HKEY_CURRENT_USER\SOFTWARE\FunTech\Your FREE BitBuddy™"
3. Delete the file that says "Dead"
4. Go to %userprofile%\AppData\LocalLow\FunTech in your File Explorer
5. Delete the folder there
6. Reinstall/re-extract the files
7. Welcome BitBuddy back to life :D

(Credits to @CaptNinja6 for teaching me)