Hello everyone, my name is Jessie. I am a technical support representative. I have extensive expertise working with a variety of applications. One of them is Quicken. Numerous customers have contacted me in regards to QuickBooks Error 80070057. The Error 80070057 merely indicates that you lack the necessary rights to delete/eliminate the QB files included in the given folder. QuickBooks may be used/opened/accessed in a multi-user environment.