QuickBooks Error 1402 encounters  when there is a problem with the Windows registry key permissions, which stops it from reading or modifying particular registry entries. The first step in resolving this issue is to look into the registry permissions and ensure that they are properly set to let QuickBooks to function as intended. If you require prompt support, get in touch with the 1-855-856-0042 QuickBooks Support Team directly. They're accessible all the time.