> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://helpdesk.safesurfer.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Why does the Safe Surfer for Windows installer report that "App Installer failed to install package dependencies"?

The Safe Surfer for Windows app uses a Microsoft technology for Windows called App Installer, which is designed to retrieve what's called a "runtime". In most cases, the runtime is automatically download through the Microsoft Store app in the background. If the Safe Surfer for Windows installer reports that "App Installer failed to install package dependencies", try the following:

# Update Microsoft Store apps

Click the Start menu, then open the Microsoft Store app. (If you can't see the Microsoft Store app icon, you can start typing in the Start menu for "Microsoft Store", which should then appear.) Once you've opened the Microsoft Store app, click the Downloads menu at the lower-left corner. Once you've opened the Library menu, click the "Check for updates" button at the upper-right corner. This could take several minutes.

Once the app updates have downloaded and installed, close out of the Microsoft Store app and open the Safe Surfer for Windows installer to try again.