Gives error on launch "The application was unable to start correctly (0xc000007b) "

its been almost a week that ive been trying to get the UE to work. i have uninstalled / reinstalled it several times and even uninstalled / reinstalled the epic games launcher twice or thrice. but it still gives the same error. i searched the internet for a solution but in vain. i hope someone here is able to help me. thanks in advance