Effective Ways to Troubleshoot QuickBooks Error 1402 When the system is unable to access crucial registry components during installation or upgrades, QuickBooks Error 1402 appears. Permission limitations or corrupted Windows registry entries are frequently the source of this problem. Users can fix it by reinstalling QuickBooks correctly, repairing the registry, or using QuickBooks as an administrator. For help, give 1.855.738.2784 a call to speak with a QuickBooks specialist. Read more : https://www.promoteproject.com/article/213822/technical-fixes-to-overcome-quickbooks-error-1402