"Shopping Sidekick" is classified as an adware that will slow down your computer by installing plug-ins and add-ins in your web browser that will display annoying advertisements while you surf the internet.
Their website is located at shopping-sidekick.com.
The name of the installer program is Excellent-coupons.exe.
ESET antivirus preventing the file Excellent-coupons.exe from being downloaded by blocking it.
The maker of "Shopping Sidekick" has a web page located at http://shopping-sidekick.com/uninstall.php, with instructions for manually uninstalling "Shopping Sidekick".
But, if their instructions do not work, please try the following:
Try downloading and using Spybot. Click the following link to download and install http://www.safer-networking.org/mirrors/
If the above does not work, try Adwcleaner. Click here for instructions .
If you are unable to remove it with the above softwares, try removing the files manually.
Click the following link for instructions: http://forums.spybot.info/showthread.php?t=67080