A quick guide to fix quickbooks 2020 error 1603 windows 10 issue
                     Easy ways to fix QuickBooks 2020 error 
1603 Windows 10
QuickBooks delivers bookkeeping services in many countries across the globe. 
Small businesses utilize it for precise accounting, tax filing, payroll, and secure 
storage of data. Its easy-to-use features make it convenient for users with no 
prior experience with accounting software. However, the software can show 
abnormal behavior after getting infected with internal errors. QuickBooks 
2020 error 1603 Windows 10 emerges in between the software installation 
and terminates the process. If you are also unable to install QuickBooks on your 
PC due to this error, go through the complete blog to figure out the reasons for 
this issue and the techniques to eliminate it.
Avoid time consuming procedures by contacting a QB support team at 
+1-855-948-3646 for easy troubleshooting advice.

Reasons 
The reasons QuickBooks fails to install due to this error are described below-
• There has been damage to Microsoft components like .NET framework or 
MSXML on your PC.
• The installation file you use is corrupted due to virus attack on your system 
data.
• Your system lacks the specifications required for running QuickBooks.
Solutions
The methods to get rid of this QuickBooks installation error are given 
underneath-
Solution 1- Repair the damaged Microsoft components
.NET framework is a platform designed by Microsoft to develop and run Windows 
applications. If this component gets damaged, Windows installer will directly 
suffer an impact and fails to start when you try to install QuickBooks. The 
software installation will not be successful and you’ll receive this error code on 
your screen. You’ll have to configure some system settings to fix the damaged 
components as installing QuickBooks won’t be possible until the issue is 
eliminated. Refer to these steps-
• Use file explorer or search bar to open the control panel.
• Tap Program and Features option in the control panel menu and 
select Uninstall a program.
• Click Turn Windows feature on or off option and check the list for .NET 
framework checkboxes.
• If the .NET Framework 4.5 checkbox is checked, single-click on it to 
uncheck and save the changes. If the checkbox is unmarked, click on it to 
mark it and click Ok.
• Repeat the technique with .NET Framework 3.5 SP1 before saving the 
settings.
• Try installing QuickBooks again on your PC.
If the installation fails again, use the next method
Solution 2- Run QuickBooks Install Diagnostic Tool
QuickBooks Tool hub can be used to eliminate this installation error on your PC. 
Use the QuickBooks website to download the latest version (1.6.0.3) of QB tool 
hub, and run the install diagnostic tool to fix the issue. Here are the steps to 
utilize QB tool hub-
• Restart your system and run the QB Tool hub.
• Go to the Installation issues menu and select Run QuickBooks Install 
Diagnostic Tool.
• Let the tool repair the issues and then install QuickBooks.
QuickBooks installation will cause any further trouble after using the methods 
above.
Conclusion
This blog describes why the software installation fails due to 
QuickBooks 2020 error 1603 Windows 10. The methods to deal with this 
issue are also mentioned, which we hope you’ll execute to install QuickBooks on 
your PC without any issues.
If you are still stuck with the issue, contact a QB support team at +1-
855-948-3646 for assistance.