Server https://uorenaissance.com/
My client version is:
FILEVERSION 5,0,8,3
PRODUCTVERSION 5,0,8,3
FILEFLAGSMASK 0x3F
FILEFLAGS 0x0
FILEOS VOS_NT_WINDOWS32
FILETYPE VFT_APP
FILESUBTYPE 0x0

(please, upload your client.exe with a screenshot and link here to help further)