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    • #1559319
      Michael Pietroforte
      Keymaster
      Member Points: 38,730
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      Whenever the Windows 10 update process starts to download in a Parallels Desktop VM the CPUs on my MacBook Pro 16  (latest edition with 8 cores) the CPUs go crazy.  Windows 10 is the only “app” that made my Mac sweat so far. I had a similar issue with Windows 10 and VMware Workstation. I wonder why a simple download process needs so much CPU juice? Did anyone experience a similar issue? Is this also happening on a PC? I didn’t touch a Windows 10 PC for ages.

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      Anonymous
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    • #1559609
      Michael Pietroforte
      Keymaster
      Member Points: 38,730
      Author of the year 2018
      Rank: 4

      Steven, thanks. I do know that the Windows Update process is the culprit. In, fact Parallels knows about the problem because whenever Windows Update becomes active, I receive a corresponding warning message which I find crazy. Obviously, Parallels knows that Windows Update is a resource hog.

      My question is how a simple download process can use so many CPU resources. The thing is that the CPU goes crazy long before the installation starts. When my Mac downloads a complete new macOS version I don’t even see the CPU needles move.

      Also note that this is not just a virtualization issue. Many years ago when I still had a Windows laptop, I always had to kill the Windows Update process when I was working outside because otherwise Windows Update would have drained the battery in minutes.

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