When you try to open the company file as a non-Admin QuickBooks user in single-user or multi-user mode, you see one the following error messages:
Your data may be damaged.
Intuit recommends 3 solutions for this problem. The first solution may solve your problem, or you may need to try both to resolve the issue. For best results, perform the solutions in the order shown.
Solution 1: Create and restore a portable company file
If you still see the error, try the next solution.
Solution 2: Make sure the folder storing your company file isn't a hidden folder
Solution 3: Run the QuickBooks File Doctor
Download, install and run the QuickBooks File Doctor.