Problem after last update

Hi,

After the last update of the program (SP3), it is not starting. I pass the process of registration, I even got the email wit activation link, but the program does not start.It is closing right after the start. I tried to install previous versions but I get the same problem.It is very important to me because I use your program almost every day. Please help.

Best regards,

P.S.My OS is Windows 10!

 

Can anyboody help, I get the same problem all the time!!!