My launcher is perfectly fine, except it does not want to change the Steve or Alex skin to one of my own.

The launcher will not upload my skin. I can insert the .png file and have the 3d skin pop up, but when I click save, it says up at the top of the screen: Unable to upload skin. This happened with ALL of my skins.

I don't know how to reproduce this 'bug', but from what I found online, no one else has it. (That cares to share their problems...) I just enter the launcher, try to edit my skin, and the bug trolls me. Minecraft.net's skin changer does not have any affect on the launcher or the game itself.