Gray screen whit two users

Hello Fabio,
We regret for the inconvenience you are facing with the AVG PC TuneUp program. Please follow the instructions below to restore the changes made by the AVG PC TuneUp program :
1. Open AVG PC TuneUp program.
2. Click on the Rescue Center on the right bottom corner.
3. Click on Undo Changes.
4. Select and restore the changes made by the AVG PC TuneUp program.

Hello Fabio,
We really appreciate your valuable efforts which you have taken to fix it.We have sent you an email instruction to get connected with our technical support team. Please follow those instructions to get in touch with them and you should be able to resolve your issue. Thank you.

Hello,
since I have installed AVG Tune Up I have a problem: use two users on my PC (Windows 10), the first, my, everything is ok, the second one some programs will not open either by clicking on their icon, as if no existed! For example, the Chrome browser, if I try to start it as an administrator opens it gives me a completely gray screen. I then tried to open the AVG always by the second user, but the result is the same, AVG is opened but it is completely gray.

Hello Fabio,
We really appreciate your valuable efforts which you have taken to fix it.We have sent you an email instruction to get connected with our technical support team. Please follow those instructions to get in touch with them and you should be able to resolve your issue. Thank you.

Hello Fabio,
We regret for the inconvenience you are facing with the AVG PC TuneUp program. Please follow the instructions below to restore the changes made by the AVG PC TuneUp program :
1. Open AVG PC TuneUp program.
2. Click on the Rescue Center on the right bottom corner.
3. Click on Undo Changes.
4. Select and restore the changes made by the AVG PC TuneUp program.

I tried to restore all backups but unfortunately nothing has changed :frowning:
still gray screens