gegj

Yes i know, but this exception trhow inside the .net class. Only in Win98. The solution i found is to use the RijndaelManaged encryption service provider. I dont know why but is the only service that works. thanks for the reply

Hi im writing a library that encrypt strings usin the cryptographic servises from the net framework. The program work good in a windows Xp and 2000. the problem is in Win 98 the program works ok but when i run the ngen i get a msgbox with this message: "Application has generated an exception that could not be handled" and in the program show me a nullReferenceexception. Sombody knows what is happend? Please Help me