Error 1603 is a general Windows error that means the Sync installer failed to run. Next steps: Ensure you are running the Sync installer as an Admin User in Windows: Right-click the Sync installer and select Run as Administrator.
The folder that you are trying to install the Windows Installer package to is encrypted.
The drive that contains the folder that you are trying to install the Windows Installer package to is accessed as a substitute drive.
The SYSTEM account does not have Full Control permissions on the folder that you are trying to install the Windows Installer package to.
How to fix error 1603 fatal error during installation?
Using the Microsoft Fix Against One Tool Download the Microsoft Fix It tool.
Find the download button and install it.
When the installation is complete, program it on your PC.
This method immediately fixes fatal error 1603 during installation.
This time you can continue with the installation to see if the error is fixed or not.
How to fix AMD error 1603?
Press Windows + E and open Windows Explorer.
Navigate to PC > Local Disk (C:) to find the folder with your own Windows installation.
Select the AMD folder and optionally press Shift + Delete. If it asks you to get administrator rights to perform this action, you must do so.
Try reinstalling the AMD drivers.
How to fix Microsoft Silverlight error 1603?
Fix registry entries associated with error 1603. Manually editing the Windows registry to fix invalid errors…
Run a full scan or spyware of your PC. There is a new possibility that error 1603 is related to malware…
Clean junk files from your system (temporary files and therefore folders) with Disk Cleanup…
Why do I get a 1603 error when installing Google Earth?
If the issue persists and persists, please proceed to the possible solution below. According to every official Google support team, error code 1603 when installing Google Earth is usually a sign that a version of Google Earth is already installed.
How to fix error code 1603 fatal error during installation?
For automatic repair, you need to download the Microsoft Assist-Fix-it tool. After downloading the program, install the program itself on your PC. Now schedule a probate notice. factor “fatal error during installation” when installing and uninstalling the program. The above procedure usually solves the problem in most cases.
Was not successful exit code was 1603 exit code indicates the following generic MSI error?
The exit code seemed to be “1603”. The exit code reads: General MSI Error. This is a mid city bug, the environment is not a problem accompanied by the package or by the MSI itself – it could mean that frequent reboots or something else is needed before buying (e.g. already installed the same version). Please check the MSI log if available.
How do you fix error 1603 A fatal error occurred during installation?
How to fix code error 1603?
- Close background software.
- Make sure your software is not already installed.
- Check which hard drive has enough space for programming. li>
- Open the Install/Uninstall Troubleshooter.
- Delete temporary files from all Windows temporary folders.
- Restart the Windows Installer service.

Vijay is a tech writer with years of experience in the Windows world. He’s seen it all – from simple problems to catastrophic system failures. He loves nothing more than helping people fix their PCs, and he’s always happy to share his wisdom with anyone who needs it.
When Vijay isn’t fixing Windows problems, he likes to spend time with his wife and two young children. He also enjoys reading, playing cricket, and watching Bollywood movies.