¿there are a safe way to convert the old visual studio projects? in the past i had installed 2008 and 2010 to work between the old jk2 sdk's (.dsw i think) ... and the new' ones's (.vcproj, .sln, etc...) . SO, i never converted one of those, i cant open the 2008 projects with higher versions... is the reason why i had installed 2008 and 2010 or higher in the same machine.
PD: i tried to use the built-in conversor but never worked with the main solution (the jk2 which contains cgame, game and ui linked)