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some pages disrupted display, chrome-type browsers
Some pages have disrupted displays near the top of them in chrome-based browsers which have the Norton Security Toolbar (yes, updated to current version of the toolbar). If the tool bar is turned off, the affected pages have less disruption to their display. The affected pages so far seem to be Yahoo Mails, after first reading any email message; some parts of YouTube. The part of the pages affected are near the top of the page. Some parts there are cutoff. No problem found using Firefox nor Internet Explorer.
Google Chrome v. 39, portable SlimJet (current version, forgot which).
portable SlimJet (not sure version, but current one), portable Superbird v. 37.