[Ico-man]

Step 1: Click on "Start" button.

Step 2:
in XP click on "Settings" > "Control Panel"
in VISTA click on "Control panel"

Step 3:
in XP Double click on "Add or Remove Programs"
in VISTA Double click on "Programs and features"

Step 4: Select BS.Player Control bar (click on it)

Step 5:
in XP click on "Change/Remove"
in VISTA click on "Remove/Modify"

Step 6: Go through the uninstall program.

You have now successfully uninstalled BS.Player ControlBar from your system.

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Alternative (thx to BSPeter):
Meanwhile found on forum.conduit.com:
How can users uninstall the toolbar?
Toolbar users can easily uninstall their community toolbar at any time with Conduit’s standard uninstall package (Add/Remove Programs in Windows, Add-on Removal in Firefox, etc.).

FireFox: as you would do with any FF add-on: Top browser navigation: click TOOLS-> Add-ons-> select the item you want to uninstall.

Internet Explorer: as you would with any windows installed component: Control Panel-> Add/Remove Programs (Programs & Features on vista)-> select the item you want to uninstall.