How to fix Error 1603: When you try to install a Microsoft Windows Installer package, you may receive the following error message: Error 1603: A fatal error occurred during installation. If you click OK in the message box, the installation rolls back.
CAUSE For Error 1603: A fatal error occurred during installation
You may receive this error message if any one of the following conditions is true:
1)The folder that you are trying to install the Windows Installer package to is encrypted.
2)The drive that contains the folder that you are trying to install the Windows Installer package to is accessed as a substitute drive.
3)The SYSTEM account does not have Full Control permissions on the folder that you are trying to install the Windows Installer package too. You notice the error message because the Windows Installer service uses the SYSTEM account to install software.
Fix Error 1603: A fatal error occurred during installation
For automatically fixing this issue use the fix it tool by Microsoft’s.
Now if the above didn’t work out for you then follow this guide:
1)Double click “This PC” on your desktop.
2)Right-click the drive where you want to install the program and Choose “Properties.“
3)Click the “Security” tab and then click the “Edit” button.
4)Check “Allow” next to “Full Control” under the subheading “Permissions” inside the user name “SYSTEM” and click “Apply” then “OK.”
5)If you can’t find “SYSTEM” there, then click “Add” and under object name write”SYSTEM” click “OK” and repeat the step 4.
6)Now go back to the Security tab and click on “Advanced.“
7)Check “Replace permission entries on all child objects with entries shown here that apply to child objects.” Click “OK.” Check “Reset permissions on all child objects and enable propagation of inheritable permissions” if you use other versions of Windows. Click “OK.”
8)Click “Yes” when prompted.
9)Double-click the installer package and you will no longer have any issues with it.
Method 2: Install Ownership Registry Hack
1.Download and unzip the files.
2.Double-click the InstallTakeOwnership.reg file.
3.Right-click the on the file which is giving the Error 1603 and select take Ownership.
4.Again try to install the installer package and the issue is successfully fixed.
5.If for some reason you want to delete the Install Ownership shortcut, just double click RemoveTakeOwnership.reg file.
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That’s it you have successfully fix Error 1603: A fatal error occurred during installation but if you still have any questions you can ask them in the comments section.