If you haven’t installed KB4034674 yet, check out this article to find out what are the most common issues reported by users on Microsoft’s forum.

KB4034674 reported bugs

Left-click won’t work

Certain keys in gaming keyboards won’t work

Interestingly enough, most of the reports refer to the SteelSeries Merc Stealth gaming keyboards. It appears that there is a compatibility issue between this update and Merc keyboards.

PC won’t recover from sleep properly

Apps are grayed out

Microsoft Edge closes itself

These 5 issues are the most common bugs triggered by KB4034674. To fix some of them, check out the articles below:

Fix: Laptop keyboard not working on Windows 10 Fix: Microsoft Edge closes immediately after opening on Windows 10 Computer randomly shuts down in Windows 10 [Fix]

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