Mate, with your updated antivirus, check to make sure you are virus-free. Tell me the name of your antivirus. For piece of mind, I recommend Malwarebytes to use in addition, as it is a sort of clean-all that is sure to get what your AV doesn't: Malwarebytes Anti-Malware - CNET Download.com
- full scan after update.
You do not need a java toolbar. if you want java, try uninstalling EVERYTHING JAVA from control panel uninstaller, and reinstalling here: java.com: Java + You