When you're installing the latest version of Skype, it's possible you'll see an update failure and an error code 1603. This is caused by issues with installing files to the registry on your computer.
To fix this error:
Try completely uninstalling and reinstalling the latest version of Skype. If you still have issues:
- Visit this page to get the automated fix-it tool from Microsoft.
- Completely uninstall Skype from your computer.
- Click Run Now to run the fix-it tool.
- When the fix-it tool finishes, reinstall the latest version of Skype.
If the error persists after you've tried the above steps, please share the details of your problem with our community.