@rightbooksllc13
QuickBooks Error 15101 is a payroll update issue caused by connectivity problems. It occurs when the software is unable to connect to the server. To resolve it, ensure a stable internet connection, disable firewall or security software temporarily, and update QuickBooks to the latest version. Additionally, check proxy settings and configure them correctly. If the error persists, seek assistance from QuickBooks support or consult the official community forums for further guidance.