[taxcontrol]

Get a Linux Mint bootable live DVD. Try it and see if that helps.

[lancium]

If it happens only in Chrome, then disable toolbars and/or reset Chrome. if that doesn’t help, completely remove Chrome and reinstall

Open Chrome.
In the top right, click the Chrome menu .
Click Settings.
At the bottom, click Show advanced settings.
Under the section “Reset settings,” click Reset settings.
In the box that appears, click Reset.

[Boogieman]

Doubt that is going to be any help with a browser issue.