Error while entering Usercode and password

Dear All,

Currently my client is working on SAP B1 2007 B PL10. Now whenmy clienti start SAP B1 enter the User Code and Password and select the Company then he receives the .dmp file Error.

For what reason the dmp file error is coming. And how to rectify this problem.

Please Guide me.

Regards

Hitesh Parsawala