8004041C - An internal QuickBooks error occurred while trying to access the QuickBooks company file.
Resolving Error Code 8004041C
The size of your QuickBooks file and the number of DB File Fragments determines the health of your QuickBooks company data file. Most people don’t periodically check the health of their QuickBooks file to help prevent data corruption {such as this} – mainly because they don’t realize that they should or even how to go about it.
Rebuild your QuickBooks company data file. From the QuickBooks File Menu ->Choose Utilities ->Rebuild Data. For additional information about the rebuild function, see this blog post - QuickBooks Tip - How To Rebuild your QuickBooks Data File.
This could be a fairly long process, especially if you have a large data file. Do not be concerned if the Rebuild function appears to "hang or do nothing' at 99% during the first pass or at about 50% on the second pass, it simply means that QuickBooks has found problems in your file and is working diligently to correct them.
If you encounter the same error, it's time to do some basic file maintenance, including creating a portable company file and then opening it - see our QuickBooks Tip - File Size & DB File Fragments What Do They Mean?
We've even created a YouTub Video on How to Create AND Restore a QuickBooks Portable Company File.
See QuickBooks Connection Error Messages.