How do I Fix Error 1406 in QuickBooks?

The following causes of QuickBooks error 1406 exist: Easy Methods to Solve the QuickBooks Error 1406 Solution 1. You need to turn off any antivirus or security-associated software Solution 2. Use QuickBooks Install Diagnostic Tool (QIDT) Solution 3. Go for the Repair Registry Damage Solution Solution 4. Check for Windows Updates