On selecting "Open Download Page" button in build settings for Universal Windows Platform directs to the web page error

Steps to Reproduce:
1. Create a new project
2. File > Build Settings > Universal Windows Platform
3. Press the 'Open Download Page' button.

Actual result:
On selecting "Open Download Page" button for Universal Windows Platform directs to the web page error.

Expected result:
Selecting the 'Open Download Page' button downloads "Universal Windows Platform" support file.

Reproducible on:
2019.1.0a11

Works on:
2019.1.0a10, 2018.3.0f1, 2018.3.0b12

Environment:
Windows only

Note:
1. UWP platform can be downloaded from the Download Assistant list during installation