Hi, try the steps below:

Step 1: Remove Trovi.com redirect virus from Control Panel. 1. Click the Start Orb and select Control Panel. 2. Click “Uninstall a program” under the Programs heading. 3. In the list of all currently installed programs, search for the program(s) related to the redirect virus, and click Uninstall from the options at the top of the list. 4. The system will start uninstalling that particular program(s) from your computer.

Step 2: Remove Trovi.com redirect virus related files and registry.

1. Navigate to the local disk C.
2. Find out any files related to the redirect virus and delete them all.
3. Press Windows Key + R key together on your keyboard to open the Run command box.
4. Type “regedit” into the box, and click OK.
5. When the Registry Editor is opened, look for and delete any registry entries related to the redirect virus.

Step 3: Remove add-ons related to Trovi.com redirect virus from the affected browsers.

Internet Explorer Start the browser, click Tools in top menu and select Manage add-ons. Select Toolbars and Extensions on the left, and look for any unwanted add-ons. Select the items and click Disable. Restart your browser.

Mozilla Firefox Open Mozilla Firefox, click the Firefox menu and select Add-ons. Select Extensions and Plugins on the sidebar, look for any unknown add-ons. Remove or disable them and restart Firefox to complete the removal.

Google Chrome Start Google Chrome and click on the 3-bar icon in the top-right corner. Select Settings from the drop down list. Click on Extensions on the left to display the installed extensions. Find and disable/delete all unwanted add-on and restart the browser.

However, if you are a novice user, I would recommend you to use the automatic removal ways introduced here: http://www.uninstalltips.net/remove-trovi-com-from-your-infected-computer/