Learn what to do if you see QuickBooks error 1601, 1603 and 1642:

Came across QuickBooks error code 1601, 1603 and 1642 and unable to decide what to do? Well, need not to worry, as we have got some effective solutions for you. Read ahead, to unleash the causes and fixes to these issues. In majority of cases, the error 1601, 1603, and 1642 are seen when the user tries to update or install QuickBooks desktop in the system. These issues are accompanied by the following error messages:

Error 1601: Windows installer is not accessible

Error 1603: There was an issue installing Microsoft .NET Framework and Here the update installer encountered an internal error

Error 1642: This error installing Microsoft .Net Framework when installing the QuickBooks

QuickBooks error code 1603 - Screenshot Image

These errors indicate that there is an issue with the install or update file you’re using, not your accounting data. In case you feel the error to be too confusing for you to handle, then you can simply speak to our accounting professionals via our toll-free customer support number i.e. 1-800-761-1787. And our experts and certified ProAdvisors will ensure to provide you with immediate support services.

The QuickBooks errors 1601, 1603, and 1642 can be easily resolved, by carrying out the methods we have summarized above. However, if you continue to face the same error again and again, then simply ring up to our QuickBooks enterprise technical support team at 1-800-761-1787, and let them handle the errors for you without any further mess. Feel free to speak to our support team at we will be happy to help you.