Although this system was invented to optimize computer performance for the benefit of the user, problems often arise with it. First, constant background work uses some of the processor and RAM resources. Second, even using SuperFetch does not eliminate the problems with loading programs into RAM. If your computer is quite weak and has a small amount of RAM, then you will not notice the difference in performance.
The third and most important factor is the slower computer startup. This service first starts the operating system in the RAM zone, then starts it. It is easy to determine this procedure: when you turn on the computer, the hard disk runs at full load for 1-2 minutes.
The last point that causes users to disable SuperFetch on Windows 10 is the issue of games. Because modern games use a lot of RAM and constantly load/download data, the optimization process only slows down the computer. As a result, computer performance decreases significantly.
The security issue
Is the service so important that without it the computer will become unstable or will not fully charge? In fact, you can disable service host superfetch on windows 11 also without any restrictions. However, it is recommended to stop the process only in cases where you have problems with the operation of the computer (high constant load on the hard disk or full RAM). If turning off SuperFetch has no effect, then you can turn it on again.

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