this post was submitted on 07 Mar 2024
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It's used for updates. I'm not sure if it works all the time.
I think that it used to be called
superfetchin the old days. https://answers.microsoft.com/en-us/windows/forum/all/superfetch-service-disable-helps-to-increase-speed/3c4d5b4b-edef-4eb7-9456-52fd304e606cIf you're using an "unofficial" license, it's probably normal to disable updates and afferent services.
I remember from years ago when I was modding Windows XP installations with nLite to try to purge all the unnecessary bits and install some useful stuff. Superfetch was this annoying service that supposedly ruined online gaming due to lag. :)
Prefetch and superfecth are just obnoxious services that waste disk space. You can safely disable them, there is no downside to not using prefetch or superfect on modern SSDs. On regular spinning drives, yes, they did make loading programs a bit faster.