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A handful of Windows 10 users are reporting a wide range of issues after installing Windows 10 KB4549951 cumulative update, while others report an error message when they attempt to download and install important security package, which was released on Tuesday. In Microsoft’s forum and Feedback Hub, many users have reported that Windows 10 installation issues are once again back with KB4549951 and this apparent bug is preventing people from keeping their devices up-to-date. Despite the problems updates have caused users, it is still important to ensure you have the latest security patches. Unfortunately, this is another update that fails to install with generic error messages like 0x8007000d, 0x800f081f, 0x80073701, etc. It’s not clear why Windows 10 updates are still failing to install for some users and Microsoft has yet to acknowledge or document the problems. If you have already followed the traditional workarounds available on the internet and nothing seems to work to resolve the issue with Windows Update, you may want to consider performing a clean installation of Windows 10. To perform a clean installation, you’ll need to download ISO images and reinstall Windows 10. KB4549951 issues include broken Bluetooth, WiFi, connectivity problems, BSOD, poor system performance, and even complete system crashes for some users and not everyone. “I wanted to let you know that after installing this update “KB4549951″ my device no longer has a Bluetooth adapter according to Windows (which of course is false since it still worked yesterday before installing this damn update,” one user told us in an email. “I updated (KB4549951) my Windows 10 on 15.04.20. After updating, Bluetooth stops working. Now Bluetooth is not showing in Device Manager. I tried to uninstall Updates but still, it is not showing. What to do now. My Laptop supports Bluetooth,” another user reported the same issue in Microsoft’s forum. It looks like there is a compatibility issue between the Bluetooth driver and Windows 10 update. In this case, you should roll back to the previous version of Windows and reinstall the driver if it doesn’t up. Unfortunately, Microsoft’s patch also causes dreaded error ‘Blue Screen of Death’ to appear on the screen, which signals a complete system crash. One victim wrote that their MSI computer booted with a BSOD after applying this update. “I was hit with the infamous blue screen ( YOUR DEVICE RAN INTO A PROBLEM AND NEEDS TO…..) with each time a different stop code,” the user explained. “I noticed that after installing the KB4549951 update, I get BSODs with the error “KERNEL MODE HEAP CORRUPTION” whenever I try to do something seemingly CPU-heavy (watchin livestreams/conferences, even trying to look at the Event Viewer). I did some experimenting and noticed that the update was seemingly the cause of the BSOD – everything else seems to be fine,” another frustrated documented the bug. There’s usually nothing you can do to fix BSOD errors, but users can roll back to an earlier version of Windows if their devices allow them to, or they can reinstall Windows 10. Read the complete post along with the fix posted on OUR FORUM.

 

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