According to several review from the Internet, ErrorEnd application is a scam. A lot of people are complaining about this product, so I strongly suggest that you contact the developer in order to obtain a refund. You can do this from its official website.
Regarding the error that you are receiving, I advised to check the following Microsoft Official forum. There, this problem has been discussed, and several solutions have been provided. Use one of the solutions provided to fix your problem.