Launcher 1.11.2 does not download / play

When I click on "Play – Download Launcher 1.11.2", the following Error message pops up and I can't get beyon or around it:

Unable to create directory. icon_16x16.png

Name: icon_16x16.png
URL: http://resources.download.minecraft.net/bd/bdf48ef6b5d0d23bbb02e17d04865216179f510a
Error details: Cannot create a file when that file already exists
Filename on disk: 53ac-8c72-7e6a-d090
Path: C:\Users\3136419\AppData\Local\Temp\53ac-8c72-7e6a-d090
Exists: file