well KB3004394 may not have caused any issues for me, but KB3024777 did.
among issues I have found so far which did not exist yesterday, before kb3024777 was installed.
attempting to run chkdsk from an admin command prompt causes this error:
Access Denied as you do not have sufficient privileges.
You have to invoke this utility running in elevated mode.
My SD card slot no longer functions.
these errors is showing up in the eventlog:
A problem has occurred with one or more user-mode drivers and the hosting process has been terminated. This may temporarily interrupt your ability to access the devices.
The device Y:\ (location (unknown)) is offline due to a user-mode driver crash. Windows will attempt to restart the device 5 more times. Please contact the device manufacturer for more information about this problem
EA Origin based games no long open. the launchers sometimes open and the game may get loaded into memory, but the game never opens. end tasking the game also fails.