Expert Accounting Software

In Expert Accounting Software There will be two issue arise from recent days when I print my sales invoice than it print correctly but when I am print my ledger account summary (debit and credit) than I press F9 Then one pop up message flash that printer error This is my problem For your kind of information that my printer is correctly installed and invoice print is also ok. Another issue is that back up is also not possible when I want to back up than message is come that access is denied.