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Microsoft fixes the POPCNT bug, big relief for MS Store app users on Windows 10
It was linked to a regression in the Visual C++ Libraries
2 min. read
Published onFebruary 23, 2024
published onFebruary 23, 2024
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We recently reported how users onunsupported legacy CPUs can’t upgrade to Windows 11, even after trying to bypass the system requirements, due toPOPCNT, anSSE 4.2-based instruction, being made mandatory.
This also affected other parts of the OS, primarily on Windows 10. Many gotFile system error (-2147219196)when launchingMicrosoft Photos,Calculator,Movies & TV, andFeedback Hub, amongst other Microsoft Store apps.
Soon, it became apparent that the problem was linked to a regression in theVisual C++ Libraries(version 17.8.0) framework package that many MS Store apps rely on. It affected legacy devices that do not supportSSE 4.2instructions.
Finally, Microsoft has a fix
The latestVisual Studio 2022 version, 17.9.1, comes with a patch for thePOPCNTbug that affectedMicrosoft Storeapps.
As per therelease notes on the official website, here’s what new inversion 17.9.1:
So, all you have to do is download the latest version ofVisual Studio 2022from theofficial websiteand install it.
Besides, you could simply install the latest OS update. To do that, pressWindows+Ito openSettings> chooseUpdate & Security> go toWindows Updatefrom the left > clickCheck for updates> download any available newer version of the OS.
To summarise, you can now run apps without getting aFile system error, but Microsoft hasn’t yet addressed the part aboutinstalling Windows 11 on unsupported CPUs.
Microsoft’s earlier stance was that unsupported PCs could run Windows 11, but they may not receive security updates. Seems like that has changed now, and Microsoft is making sure only processors supportingPOPCNTcanupgrade to Windows 11.
Remember, computers manufactured in recent years supportPOPCNT, so this requirement shouldn’t be a problem for most of you!
If you are still getting the(-2147219196)File system error, let us know in the comments section below.
More about the topics:microsoft,Microsoft Store Fixes,windows 10
Kazim Ali Alvi
Windows Hardware Expert
Kazim has always been fond of technology, be it scrolling through the settings on his iPhone, Android device, or Windows PC. He’s specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.
Long-time Windows user, Kazim is ready to provide a solution for your every software & hardware error on Windows 11, Windows 10 and any previous iteration. He’s also one of our experts in Networking & Security.
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Kazim Ali Alvi
Windows Hardware Expert
Kazim is specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.
