CCleaner got a must-have update; a reader wants to know if two security apps are better than one; Windows 7's Recent Places feature can save you time. By Rick Broida , PCWorld Nov 3, 2010 7:00 am Want to clean and optimize your PC? You've probably heard of CCleaner, arguably the world's most popular tool for doing the job. Developer Piriform just released CCleaner 3.0 . The big news in this update? A native 64-bit version for use with like editions of Windows. Like the last release, CCleaner clears out temporary files, cleans the Windows Registry, erases browser histories, and so on. Version 3.0 also sports new icons, various interface improvements, better support for Google Chrome and Internet Explorer 9, and newly added support for programs like AVG AntiVirus 10.0, Audacity, LogMeIn Hamachi, BitTorrent, and Windows Game Explorer. I particularly like the way it intelligently scans for cookies you'd want to keep, like those for Google and Yaho...
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