The possible causes of QuickBooks error 6150 are as follows:
This issue might be caused by a damaged or corrupted business file.
This sort of error can also occur on a computer infected with the CryptoWall malware.
QuickBooks desktop installation has been corrupted.
A virus has invaded or damaged the company file.
When attempting to access a portable file without launching the QuickBooks desktop first.
If you are also experiencing error 6150, you must work on the above causes first. You can get assistance from our support team anytime regarding your QuickBooks error.