Do you have an environment variable named ORACLE_HOME? If you do, you will need to remove it. To check go to Control Panel->System->Advanced(tab)->Environment Variables(button).

I don't have any oracle variables still I am getting the same. Also I tried adding path. Still I am getting the same.

regards
skarthi

Do you have installed developer suite in another language than english? In the past we had errors like this. Try to install designer in english!

I also have this problem.

I have installed Designer in English.

I have no Oracle_Home variable.

I have reinstalled several times, but consistently get this message.

Any ideas?

Have just found this:

CDR-21705,0, "Cannot check that client and server versions are compatible."
Cause : Invalid installation. No server information available. Registry
     entries missing.
Action : Check installation.


Is this the real problem, disguised by a misleading message about not being able to find the message file?

This error occurs when while installing the patch, have to choose the developer suite home previously installed.