Install Silverlight(Pipelight) on Debian Wheezy:
Run the following commands as root:
apt-key add Release.key
Add line to /etc/apt/source.list:
deb http://download.opensuse.org/repositories/home:/DarkPlayer:/Pipelight/Debian_7.0/ ./
Run commands as root:
apt-get install pipelight-multi
pipelight-plugin --enable silverlight
Iceweasel was the only browser where I had success !
I got the guide from this Site.
It contains guides for ubuntu, Arch Linux, Fedora, OpenSuse and other distros
If your homedir is located on a network drive you must move the folder ".wine-pipelight" to a local drive. Then make a symlink on your homedir to the older you just have moved and reinstall pipelight