That toolbar was most likely installed during the install of a free program it was bundled with.
You can find and uninstall the add-on for that toolbar in each browser you have installed.
The programs below will most likely find and remove the adware. Allow them to remove whatever they find.
Malwarebytes Anti-Malware Free
Junkware Removal Tool Download
Use CCleaner to cleanup the temporary files, cookies, logs, etc. Use the default settings. Pay attention while
installing and be sure to UNcheck offers of toolbars, etc. No need to use the Registry Cleaner tool and it may cause other problems.
CCleaner - PC Optimization and Cleaning - Free Download
Post the results of the scans of the first three programs if you still have a problem with adware.
“Every atom in your body came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”― Lawrence M. Krauss
A 1792 U.S. penny, designed in part by Thomas Jefferson and George Washington, reads “Liberty Parent of Science & Industry.”