This is what I followed (via Plutos post)
If you have updated your Java and whitelisted this website and are still having problems getting the launcher to load on Windows 10, read the following:
You will need to create a batch script by following these instructions:
1. Open a notepad file
2. Copy and paste this into your notepad file: java -jar Launcher.jar
3. Click file, save as.
4. For the file name, type: rsc.bat
5. For the save as type, choose: all files
6. Click save.
7. Open that rsc.bat file you just created (it will look like a gear file), the launcher should load then.
I am just double clicking the launch file. I didn't have java installed, so I installed it today.