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SETTING UP READYBOOST

When you insert a drive to be used for ReadyBoost you should see

readyboost01

Or you might elect to use Explorer and select a drive as shown below. Then click Properties as shown

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With any reasonably modern drive, especially a USB thumb drive, as long as there is enough free space, users should never see this message. It is possible to encounter this with older SD cards. 

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Note the recommendation text at the bottom.

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We currently do NOT know of a viewer for this file. It is encrypted using Advanced Encryption Standard 128 (AES-128). It has been claimed that this encryption (which saves space and masks what might be confidential data) can be turned off by manipulating a registry value IF the Ready Boost drive is internal and non-removable. We did try to read the sfcache file with Notepad++ . We are currently not motivated to write a viewer because it is unclear what benefit knowledge of the contents of the dynamic data in the sfcache file could be to a human user.

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