After updating to Windows 8.1 the launcher won't start, doesn't put out any errors or crash reports.
After clicking on the minecraft icon in my hotbar, the icon highlights for several minutes and then returns to normal. I've tried using Magic launcher and the game works.

Steps I've taken to try and fix it:

• Re-download the launcher
• Delete.minecraft folder
• Remove Java and re-installing it
• Upgrade Java 7 to Java 8 beta