Security News > 2021 > October > Microsoft confirms Windows 11 issues with VirtualBox, Intel Killer
Right after officially releasing Windows 11, Microsoft has added three know issues to the Windows 11 12H2 release health dashboard.
Microsoft has released Windows 11 worldwide yesterday and is now rolling it out via Windows Update to new Windows 10 devices and those pre-loaded with Windows 11.
Windows 10 users can now upgrade to Windows 11 via Windows Update as long as their computers come with compatible hardware.
Windows 11 incompatible with Oracle VirtualBox VMs. The company confirmed previous reports that the latest Windows version has compatibility issues with the Oracle VirtualBox virtualization software where customers might be unable to start their Virtual machines and might receive an error.
Microsoft has also found Windows 11 compatibility issues with the Intel "Killer" networking software and the Cốc Cốc browser.
Cốc Cốc browser users might also be unable to open sites and encounter other issues or errors on some affected Windows 11 devices.
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