...Every now and then I get a red box that appears at the top of my screen that says there was a script error...
I'd be a little leery of that. Sometimes a web page is poorly written and has errors, but there is a chance that a message like that is warning you of something rotten going on of the malware variety. You might try turning off the script warning in IE (if that's what you're using when you get the error) and see if things improve. Keeping your antivirus program up to date would be a good idea, too. (As always.)
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I'd be a little leery of that. Sometimes a web page is poorly written and has errors, but there is a chance that a message like that is warning you of something rotten going on of the malware variety. You might try turning off the script warning in IE (if that's what you're using when you get the error) and see if things improve. Keeping your antivirus program up to date would be a good idea, too. (As always.)