For many Windows 10 users, the point was reached long ago where there is little trust that the updates and hotfixes that the software giant puts out aren’t going to cause new problems. With that in mind, it will be no surprise to many that the KB4535996 update that was released late last month is causing issues for some users. 

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Source: Hot Hardware – Surprise, Surprise: Windows 10 KB4535996 Update Is Causing Serious Issues For Users