1. Uninstall LinkedIn toolbar in Windows XP

Step 1: From Start, click on Run.
Step 2: Type in appwiz.cpl, and then click OK.
Step 3: In the installed programs list, locate and click LinkedIn toolbar.
Step 4: Click Remove button to completely uninstall LinkedIn toolbar.

2. Uninstall LinkedIn toolbar in Windows Vista

Step 1: From Start, click on Start Search box.
Step 2: Type in appwiz.cpl, and then click OK.
Step 3: In the installed programs list, locate and click LinkedIn toolbar.
Step 4: Click Remove button to completely uninstall LinkedIn toolbar.

Part Two: Uninstall LinkedIn Toolbar of Firefox Explorer

1. Of Firefox Explorer 1.5

Step 1: Click Tools on the top of Mozilla Firefox window.
Step 2:  Select the Extensions to open the toolbar list.
Step 3: Select LinkedIn Toolbar, click on it.
Step 4: Click on Uninstall.
Step 5: Restart Firefox to complete.

2. Of Firefox Explorer 2.0

Step 1: Click Tools on the top of Mozilla Firefox window.
Step 2:  Select the Add-ons to open the toolbar list.

Step 3: Select LinkedIn Toolbar and Click on Uninstall.
Step 4: Restart Firefox to complete.