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We used PassMark Fragger to scatter the maximum large fragments of the bl.ppl protected file located in C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 15.0.2\ all over the hard drive. We’ve tested more than 10 different free third party disk defragmenting applications and have identified the ones that can defrag protected files in Windows.
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This would mean that certain disk defragmenting application won’t be able to defrag Kaspersky files in Windows, unless a defrag is scheduled to run during boot before Windows is loaded. Kaspersky is well known to have strong self protection that prevents unauthorized modification to its own files, folders, registry values and even the ability to configure or control the program remotely. Unfortunately some disk defragmenting software fails to defrag files and folders belonging to security applications such as an antivirus. A good disk defragmenting software must come with intelligent algorithms and not just based on simple logic. Hence there is third party disk defragmenting software still available to download and claiming to work better than the Disk Defragmenter tool built in to the Windows operating system. However there are some users that are obsessed with keeping their computer in top shape.
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Apart from that, defragging the hard drive actually offers very little performance gain that is noticeable by the user. Most people would have forgotten about defragmenting their hard drive by now because of two reasons, which are if their hard drive is a solid-state (SSD) or the newer Windows operating system already automatically schedules to optimize your hard drive every week.
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