Can you try system restore to the time the registry has not been altered? Otherwise you have to manually fix the registry. Once you fix it, you can run exe file. You need some Alti spyware software to remove it, such as Malwarebyte's Anti Malware. Below is what I searched online for you how to manually fix it. If you don't feel comfortable to do it, find someone do that for you. 1. Click Start->Run (or WinKey+R). Input: "command". Press Enter or click OK. 2. Type "notepad" as shown in the image