1. Delete the folder you unzipped (and everything in it).
2. Press Win + R and type in "regedit.exe" to open the Registry Editor. In the Registry Editor go to the file path: "Computer\HKEY_CURRENT_USER\SOFTWARE\FunTech\Your FREE BitBuddy™" and delete the file "Dead_h2088734529"
3. In the windows explorer go to "C:\Users\*your name*\AppData\LocalLow\FunTech" and there delete the folder "Your FREE BitBuddy™"
4. Unzip the folder again and launch the game. The game should start again from the beginning.