If Your PC Is Struggling to Boot, Uninstall This Windows 10 Update
by Brendan Hesse from Lifehacker on (#50BN4)
According to numerous user bug reports, Windows 10 update KB4535996 has several critical errors that are making it impossible for some users to use their PCs. Ironically (though predictably) the patch was released to fix bugs introduced in another update from earlier this year.