Soon after Microsoft pushed KB4503293, Windows 10 users started to complain about booting issues on Microsoft’s forums. At the time of writing this article, there is no official workaround for this bug. Therefore, if you have not installed the update yet, it is better to pause the updates for a few days. Otherwise, you may experience some serious issues after installing KB4503293. These are not the only issues that users complained about. Keep in mind that KB4503293 may also break Windows Sandbox for some.
PC won’t turn on after KB4503293
Quite a few Windows 10 users who installed KB4503293 on their systems reported running into startup issues. The users stated that their systems were previously working fine with Windows 10 v1903. Here’s how one user described this problem:
Screen brightness adjustment issues
It seems that KB4503293 introduced some screen brightness issues as well. Actually, this is not a new issue as such problems existed in previous builds as well. The tech giant released the necessary patches to fix the bug at that time. We’re sure Microsoft is working on fixing these issues. However, you need to wait a few more days until the company releases the hotfixes. Speaking of screen brightness issues, here are two troubleshooting guides that may come in handy:
Windows won’t let me adjust screen brightness: 4 ways to fix it Can’t adjust screen brightness on Surface Pro 4? We have the fix
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