Hi ! For starters , I'm from Polish , so my English is very underdeveloped ... But I think that I can explain my problem and you help me to solve it ... So , I bought the game x2 PZ to play with my brother and when he tries to put the server it pops up this error even though no new Java ( v7 build 51 ? ) Version of the game you chose this build 24, which appears in the game , and steam just like this: As for the link , it is written there that " java version is not compatible with the version of Windows running . Refer to the information on the operating system on your computer , what version of the program is needed x86 - 32 bit or 64 bit 64x ) and then contact the software publisher " My computer : 64 bit Now trying to put the server on my computer , but I have a problem and server will not start. I know that there is a Polish language but I think that the one who knows what's going guess and help solve my problem. On top of that they both say their computers have the latest Java, appears in the game build 24. But why i have build 24, not 25?