There are several reasons that can force QuickBooks to display error code 1402. Here is a list of all the reasons:
If the Microsoft components required to install QuickBooks like .NET Framework and MSXML are having some damage.
Some other Windows applications are interfering with QuickBooks installation.
Windows operating system is not having the latest updates installed.
QuickBooks Desktop installation might be corrupt.
In order to resolve the error, try running QuickBooks Install Diagnostic Tool and install the latest Windows update. You can also try installing QuickBooks in safe mode. If none of the solutions help you resolve QuickBooks error 1402, then dial (855)-526-5749 for further help and assistance.