It seems like you're encountering some issues installing Silverlight on your computer. The error code 1603 typically indicates a problem during the installation process. Here are some steps you can try to resolve this issue and successfully install Silverlight: 1. 
Check System Requirements: Ensure that your computer meets the system requirements for Silverlight. Make sure your operating system version is supported and that you have administrative privileges to install software. 2. 
Uninstall Existing Silverlight: If you have a previous version of Silverlight installed, uninstall it before attempting to install the latest version. Use a tool like Microsoft's Fixit to completely remove Silverlight: 
https://support.microsoft.com/en-us/help/2608523how-to-uninstall-silverlight-on-windows. 3. 
Clean Boot: Perform a clean boot on your system to ensure no conflicting applications or services are interfering with the installation process. Here's how to perform a clean boot in Windows: - Press 
Windows + R, type 
msconfig, and hit 
Enter. - Go to the 
Services tab, check 
Hide all Microsoft services, and click 
Disable all. - Then, go to the 
Startup tab and click 
Open Task Manager. Disable all startup programs. - Restart your computer and try installing Silverlight again. 4. 
Check Permissions: Ensure that you have sufficient permissions to install software on your computer. You can try running the installer as an administrator by right-clicking on the installer and selecting 
Run as administrator. 5. 
Use Programs and Features: Try the following steps: - Press 
Windows + R to open the 
Run dialog. - Type 
appwiz.cpl and press 
Enter. - Locate Silverlight in the list of installed programs. - Right-click on Silverlight and choose 
Repair or 
Uninstall to fix any installation issues. 6. 
Download and Install Manually: Instead of relying on the automatic updater, you can download the Silverlight installer directly from Microsoft's website and then install it. Make sure to download the correct version for your operating system. 7. 
Check Antivirus and Firewall: Temporarily disable your antivirus and firewall software before attempting to install Silverlight. Sometimes these security programs can interfere with the installation process. 8. 
Update Windows: Ensure that your Windows operating system is up to date with the latest updates. Some updates may be necessary for Silverlight to install correctly. By following these steps, you should be able to troubleshoot the installation issue and hopefully enjoy watching Netflix with Silverlight.