Hello there, everyone. My name is Jessie, and I'm a financial analyst. Many QuickBooks users come up to me and inquire about the causes of QuickBooks Error 6150. The company file "QBW" has been corrupted may be a cause. You're trying to open a QuickBooks portable file before first opening QuickBooks. A QuickBooks file extension that has been wrongly typed or changed. The virus has gained access to the company's data.