Have you come across QuickBooks Error Code 1601? Well, Do not worry at all!! Quickbooks enterprise support team is highly dedicated to help you in fixing your issues associated with the Quickbooks error 1601. Quickbooks error 1601 might appear with the error message: Error 1601: “Windows installer is not accessible”. So the prime reason for occurrence of the Quickbooks error 1601 is inaccessibility of the windows installer. 

Occurrence of QuickBooks Error Code 1601:

1. There must be a damage in the microsoft windows installer. 
2. Installation of the Quickbooks may be damaged. 
3. Corrupted setting up sources. 
4. Virus attack. 
5. Quickbooks’ communication is prohibited by firewall settings. 

How to resolve QuickBooks Error Code 1601?

Solution 1: Disabling antivirus software. 
Solution 2: Reinstalling QuickBooks.
Solution 3: Repairing Microsoft .NET framework. 

I believe these basic troubleshooting methods of fixing QuickBooks Error Code 1601 are helpful in resolving this error. But of you feel you need more help to fix QuickBooks Error Code 1601, you can connect to Quickbooks enterprise support at 1-888-485-0289.