QuickBooks Error Code 1601, 1603, and 1642 may encounter due to a disrupted Microsoft Windows Installer or a damaged QuickBooks Desktop installation. This article contains the primary reasons and viable solutions for fixing QuickBooks error code 1601, 1603 and 1642. There are distinct issues that you might encounter while installing the QuickBooks Desktop. These include:
Error 1601: Windows installer not accessible.
Error 1603: Issue while installing Microsoft .Net Framework
Error 1642: Encountered while installing Microsoft .Net Framework for QuickBooks.
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Causes leading to QuickBooks Install Error 1601, 1603,1642
Primary factors leading to these errors include the following:
Windows infected by a virus.
Corrupted or virus-infected QuickBooks download file(s).
Microsoft Windows installer got corrupted.
Restricted permissions for installing QuickBooks Desktop software.
Unsuccessful/Incomplete QuickBooks Desktop downloading.
All the files are locked.
How to Resolve Error 1601, 1603, and 1642 in the QuickBooks desktop?
Below are the following methods that will help you to troubleshoot these errors in QuickBooks software.
Method 1: Reinstall or Repair the Microsoft .Net Framework
Step 1: Run QuickBooks Install Diagnostic Tool
Download and install the QuickBooks Install Diagnostic Tool.
Once the tool is installed successfully, reboot your computer.
Step 2: Windows OS Update
In the start menu's search bar, type in 'Windows Update.'
Check for updates and download all relevant updates.
Method 2: Running the QuickBooks Install Tool
Download and install the QuickBooks Install Tool on your system.
Run the Install tool and wait for the process to conclude.
Once completed, again restart the QuickBooks installation process and check if the errors got resolved. If the errors persist, proceed to the subsequent method.
Method 3: Repair MSXML 4.0
Select the installation type and select the CD for QuickBooks installation.
Insert the CD into your computer and follow the instructions on the screen for installing/repairing MSXML 4.0.
Once the repairing/installing process is done, check if the error got fixed. If not, proceed to the next step.
Method 4- Re-register the Windows installer
Press the 'Win+R' keys simultaneously to access the 'Run window.'
In the Run dialog window, type in 'cmd' and hit the 'Enter' key.
The command prompt window shows up on the screen.
In the command prompt window, you must type 'msiexe/unreg' and press the 'Enter' key.
Click on 'Ok' to confirm.
Open the Run window again by pressing the 'Win+R' keys together.
Enter 'cmd' again and press the 'Enter' key to open the command prompt.
Type 'exe/regserver' in the command prompt window and press the 'Enter' key this time.
Check if the error(s) got resolved successfully.
Method 5- Perform a Clean Install of QuickBooks
To go for a clean install of QuickBooks, perform the following steps:
Download the QuickBooks installer.
Note the license number of the copy of your QuickBooks program. Now, make a list of the QuickBooks year and versions.
Access the search bar and type 'Control Panel.'
Click on 'Uninstall an application. '
Navigate to 'Program and Features.'
From the list, choose QuickBooks.
Click on the 'Uninstall/Change' option.
Select the 'Remove' option.
Again install a fresh copy of QuickBooks Desktop and check if the error(s) got fixed.
Now, QuickBooks will be activated. When you complete all the steps mentioned above, QuickBooks will operate without any issues.
Method 6: Enable Windows Installer
Through the start menu, go to the search bar and type 'msc.'
Navigate to 'Activities' and click on 'Windows Installer' and the Properties option.
Head to 'startup' and search for the 'disable' option.
Change it to the 'Manual' option.
Click on 'Service Status' and click on the 'start to enable the windows' option.
Check if the error(s) got resolved.
You may also read : How to Fix QuickBooks error code 6129?
If you still face QuickBooks error codes 1601, 1603, and 1642 while updating or installing QB, you can reach out to our 24/7 QB Technical Support Team. Our expert team is adept and delivers apt solutions to all your QuickBooks related problems.
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