Peachtree Accounting File system error number: 95 in file

Hi,
For my business we use Peachtree Accounting Software, OS Windows Vista. We had to finish some big project for us. When we have finished input we got error message. Lucky is that we have all information on paper but it needs to be entered in application. Please help
Thank you in advance
Daniel

Peachtree Accounting
File system error number: 95 in file:
C:PEACHT~12010qcompany BCS PERMISS.DAT; Click help for more information.
