Cannot open a certain tibia client.

Hello.
Recently i was trying to open a server client, and it happend that i got this msg.
(The procedure entry point EtwGetTraceEnableFlags could not be located in the dynamic link library ntdll.dll.)
I've tried everything i could but it still doesnt work any help please?
Tried regsvr32 through cmd but got that msg.
(ntdll.dll was loaded, but the DllRegisterServer entry point was not found, This file cannot be registered.)
Im currently using my old pc
Windows Xp