Problem solved. I manually cancelled the files and clean the registry. Done this, I reinstalled the game with the path proposed by the installer and it finally works.

it may be possible to reinstall the game over the top and fix the problems.

I'll try... Thank you again.

Did you uninstall by double clicking the uninstall icon or from add/remove program?

Both. Same result...

I try to uninstall the game and immediately appears a window titled "Error" and the text is: "Couldn't load main class."

I tried to uninstall the game (to try a re-install that permit me to apply the patch), but the unistaller reply: "Couldn't load main class". I dunno what to do...

Maybe you should try to reinstall the original file to the default folder and then try to run
the patch?

I'll try... Thank you for now!

I have the JRE 1.5 (5.0 up 11) installed...

I bought the game from Slitherine and downloaded the patch from your site...

I try to install 1.02 patch, but the installer say me "This is an add on installer. The directory you have select does not contain the target application. Please choose another one". But I'm SURE that the path is ok! I've installe d the game under "C:\Giochi\Commander - Europe at War&...