If you talking obout the "??????" Error?
How to fix it:
1. Delete psro, be shure that u deleted all files...
2. Download laters: NET Framework 3.0, DirectX 9.0 and Graphic Driver...
I got this error too, i event couldn't login to psro becouse i get this error everytime when i try to login to my account...
Becouse i was updating from v1.01 to v1.091...
But i fixed it werry simple...
I downloaded v1.091 original client! :)
And All Is Working Without Error...
Try and you... :)
I hope i helped... ;)