I dont know about mice
My money's on the java, Uninstall java from add n remove programs
Use this link to D/L CC cleaner, run cleaner, delete what it finds then, click on
issues, Scan, then, (Only leave java files ticked) fix selected issues. Don't change any of the settings. & when it asks,make backups of changes
Yes Backup.
http://www.ccleaner.com/update/?v=1.37.456&l=1033