Coreldraw problam

I have Coreldraw x4. It will be fully working. But i cant do anything. for a example. 

1. Cant Save

2. Can't Save as

3. Can't Save as Templet

4. Can;t Export

5. Can't Copy

6. Can;t Cut

7. Can't Print

etc.....................................

So what am i do. plz reply me.