What is ActivShopper?
By Shelron
What is it?
ActivShopper tracks Web sites visited and displays offers in the browser side bar.
Why should I uninstall ActivShopper?
The program displays competitor ads when shopping at major shopping websites. Contacts its controlling servers regularly and makes Internet Explorer perform sluggishly.
Typical installation path: C:\Program Files\activshopper\
Description from Shelron“This is a comparison shopping assistance tool that provides you with comparative information whenever you choose a product you desire on your favorite online vendor's Web site by automatically scanning, locating, comparing and presenting links to the lowest online price offers for your chosen product, along with savings information. ActivShopper is spyware free and will not collect any information on your browsing habits or any other personal information.”
Publisher about URL: http://search.activshopper.com
How to Automatically Uninstall ActivShopper (with Boost)
If you you do not have Boost installed yet, download Boost and enjoy your PC.
Open Boost by either double-clicking the Boost icon 
in your notification area next to your PC's clock, or single-clicking the Boost icon and clicking the Open Boost button on the top left of the Boost notification window.
If you are not currently on the My PC screen of the main Boost window, click the My PC tab.
Click the Optimize programs button 
, this will launch the Program Optimization screen.
Locate the program in the list called ActivShopper by Shelron. (The program could be listed under any of the section such as Uninstall Recommended, Possible Uninstall, etc. based on how well ActivShopper performs on your PC.)
ActivShopper by Shelron
To the right of the list item, click the Uninstall 
button and Boost will completely remove ActivShopper from your PC.
How to Manually Uninstall ActivShopper (with Windows)
Use Add/Remove Programs control panel in Windows makes to uninstall ActivShopper. Follow the appropriate instructions below to use this control panel.
Windows 7
From the Start menu, select Control Panel.
In Large or Small icon view, click Programs and Features. If you're using Category view, under "Programs", click Uninstall a program.
Select ActivShopper from the list of programs, and click Uninstall. Alternatively, right-click the program and select Uninstall.
Windows Vista
From the Start menu, select Control Panel.
In Classic View, double-click Programs and Features. In Control Panel Home view, under "Programs", click Uninstall a program.
Select ActivShopper from the program list, and click Uninstall. Alternatively, right-click the program and select Uninstall.
Windows XP
From the Start menu, select Control Panel.
Click the Add or Remove Programs icon.
Select ActivShopper from the list of programs and click Remove.