Corel x3 File type problem

hi sir
Mai corel draw x3 use krta ho
Sir corel draw x3 ki save file type cdr Hoti hai
Lakin total computer :computer: data uyjh ke name se file type bn gya है
जिससे कोई भी open nhi ho rhe hai
चाहे वो cdr हो या jpg या psd या pdf या कोई file :file_cabinet: हो
Sir please help me
My contact number is 9058069209