How Do You Fix Windows Installer Error 1603?
Windows XP and Windows 2000 users from time to time experience Error 1603. The error is caused by invalid Microsoft Installer Application settings and can be fixed without the need to download any patches. Whether you are a new user or an expert tech, the process to fix Error 1603 is a simple process that can be handled by logging into your Windows operating system. Removing The Error 1603 Problem. Step 1 Check to see if the folder you are attempting to install the new software to is encrypted. Encrypted folders cannot accept program installs in most cases and, therefore, this error will display. Step 2 Avoid placing your new software on a substitute drive (any non-essential computer drive). Step 3 Grant full access to the System account to install the application in question. There are several steps to follow when accessing System account settings. Click “My Computer” on the desktop or navigate through Windows Start > My Computer. Step 4 Right click with your right mouse button on the