When a company file is corrupted or damaged, QuickBooks cannot open it, resulting in the QuickBooks error 6069. This problem, which may be caused on by a number of reasons including system errors, malware infections, or an incomplete QuickBooks installation, might prohibit the user from accessing the QuickBooks company file. The corrupted company file must be repaired or restored, QuickBooks must be updated to the most recent version, and a system virus scan must be run in order to fix this error.