Summary

Symptoms

"Error 1603: Fatal Error During Installation"

Or you may get the following error:

"Error 1603: General Windows Installer engine error. Increase DiskSpace requirement in Setup.ini and try again."

Resolution

Error 1603 is a generic machine-specific issue. One or more of the following fixes may resolve the error.

1. This error is known to occur on computers that do not have enough disk space for the installation. To increase your hard disk space, follow the instructions in How Do I Increase Hard Disk Space on My Computer?
2. The temp directory is not clean. To clean the temp directory, follow the instructions in the MSDN article on Disk Cleanup.
3. A certain file on the machine is locked. To fix this:
   1. Close all applications running in the background.
   2. Reboot your computer.
   3. Run the installation again.
4. If you are using Windows 95, 98, ME, 2000, or NT, the Windows Installer Service may not be properly installed on the machine. Update the system with the latest Windows Installer Service by following the instructions in How Do I Install the Windows Installer Engine on My Computer?
5. On Windows XP or later, make sure you have administrative privileges.
6. Use Microsoft?s Fix It to automatically repair issues including corrupted registry keys that block you from installing or removing programs.

Does Your Issue Still Exist?

If after following these instructions your product failed to install, you'll need to contact your vendor. See the Who to Contact page for more information.

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