Good day, everybody. My name is Jessie, and I work in customer service. Many people wonder what causes 'QuickBooks error code 6144' to appear. There are a slew of alternatives when it comes to the causes of the QuickBooks error number 6144. This error might be caused by network issues on the server or the system as a whole. As a consequence of a virus or malware infection, Windows system data or QuickBooks-related software files have been damaged. A malicious file deletion was carried out by a third-party program. Unwanted QuickBooks alterations cause registry damage, which leads to the issue.