Tax computations, paycheck processing, and compliance may be disrupted by QuickBooks Payroll Update Not Working. Internet issues, out-of-date software, improper settings, or corrupted files are frequently the cause of this problem. To restore seamless, accurate payroll operations for expanding business teams, troubleshooting involves verifying connectivity, updating QuickBooks, fixing parts, and reinstalling payroll updates. If you need professional advice and assistance with QuickBooks, call 1.855.738.2784.