Windows 10 stutters, dropped frame rates (primarily in games), high disk usage and thrashing have also all been reported. Uninstalling the update doesn’t come off cleanly and still gets lock ups on initial boot.”

“Seeing this issue with about 200 machines. Bleeping Computer highlights the plight of one company in particular: This appears to be less widespread, but when it does hit it can hit hard. The infamous BSOD is also hitting users with KB4535996 installed with the blue screen appearing as Windows loads the login screen. Then a repeat of two slow low tone beeps, two fast high tone beeps - if that means anything to anyone!) I did have some important work to do, but I guess not, thanks Microsoft :( I presume there is no way to fix this and the PC is now dead, as it won’t ever boot up again now, to receive a Windows update fix. Hard to decipher the beeps as the screen is blank and I don’t know what MB make it is. I bought it only 5 days ago, have tried re-seating the RAM and GPU. Fails the BIOS POST test with a series of beeps, completely blank screen. “I just had this update on my PC and now it will not boot. That said, if you have this issue you are lucky because for others their PCs will not boot at all: The former appears to be widespread among users who have installed KB4535996, with significant delays in PCs starting after installing the update and occasionally showing a disconcerting black screen partway through the elongated boot process. You'll need to restart your computer for the changes to take effect.

Turn the Memory integrity setting Off if it isn’t already.

Go to the Core isolation page in Windows Security.

Microsoft states 'If you choose to continue using your device without addressing the driver problem, you might discover that the functionality the driver supports does not work any longer, which could have consequences ranging from negligible to severe.' Third party drivers can be essential, particularly for legacy devices, so Microsoft has offered a workaround which (perhaps surprisingly) involves turning off a Windows 10 security setting that guards memory integrity to allow the driver installation to complete: Users will receive the error message: 'A driver can't load on this device' and it can break installations even after they appear to complete successfully. The company has published a support page explaining that a new bug in Windows 10 can prevent users from manually installing drivers on their PCs. 03/09 Update: Microsoft has confirmed Windows 10 has run into more trouble.

Windows 10 will not boot after update