Help: PT2 V2.17.03d does not work

[Hifly]

I had a running PT2 version. But I uninstalled it by mistake.
I thougth no problem an downloaded the latest PT2 Version 2.17.03d (Full Version).

Installing of this version seems ok. But when I start PT2 nothing happens.
If I try to start PT2 a second time i get the warning "Another instance of Poker Tracker is already running. Be aware ...."

Do you have any idea what is going wrong?

Thank you for your help.

[ptrack pat]

Restart the computer and try it again making sure to open just one instance of the program. It's not an error message, it doesn't prevent the program from opening.