Windows 10 KB4535996 is another roller coaster ride for some people with many users reporting boot failures, slow boot, reduced performance, and SignTool.exe crashes. As always, Microsoft hasn’t issued any warnings for Windows 10 owners and official workaround to deal with the latest disaster is also not available.

According to numerous user bug reports picked up by us, Windows 10 KB4535996 has several critical issues.As per the user reports, Windows 10 KB4535996 may have the following serious bugs:

•    Slow boot: After the power button is pressed, Windows 10 takes a long time to boot to the lock screen and login time has also increased. Task Manager reveals that Windows 10 resources are under normal usage.
•    System freezes and crashes: Apps such as Task Manager, File Explorer or the desktop and taskbar crashes without warning.
•    Blue Screen of Death: Users are reporting that the traditional BSOD error has returned back. On Windows 10, a Blue Screen of Death will happen after a critical error. Generic error messages such as “Your PC ran into a problem and needs to restart” are displayed.
•    Reduced performance: In games, some users have noticed FPS drops and audio stutters. I’ve also noticed reduced performance for general activities.
•    Black screen during sign-in and other random times.

As per the new reports, KB4535996 crashes systems and locks up devices with a blue screen at the login page.“Not able to get into any safe mode and uninstall this update. Forcing rebuild and GPO’s to block this particular update. Microsoft says they haven’t heard of any problems. however, when you search the web there is a slue of issues just from this optional update,” a user said. Furthermore,You can buy Cheap Windows 10 Home Product Key at z2u.com by using the code “Z2U” for a 3% discount.

Since KB4535996 was released, we have had numerous reports about the Visual Studio code-signing tool signtool.exe no longer working.Signtool.exe is a program that allows you to digitally sign an executable with a code-signing certificate to indicate that the program comes from a specific publisher and has not been tampered with.

Microsoft has yet to acknowledge any of the reported issues across its own forum and Feedback Hub. At the time of writing this story, Windows support document still says “Microsoft is not currently aware of any issues with this update.”