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Microsoft then quietly updated its original document to confirm that it had fixed a Bluetooth error that caused the following problems:
Devices with built-in speakers may not be able to connect to Bluetooth speakers.
When Bluetooth speakers are paired, devices with built-in speakers produce noisy (poor quality) audio.
Sound is generated by internal speakers rather than connected Bluetooth devices.
But here comes the new question:
According to users, the second non-security patch KB4517211 was repaired after installation in September.10 1903 version of the audio problem, but the printer can not work.
existCommunity ForumAnd on Feedback Hub, some users reported printer problems after applying Windows 10 updates on September 26 th. Oddly enough, some users still complain about the printer on the Google support forum.
"After installing KB4517211, the spooler has been crumbling, unloading, updating and restarting can solve this problem and reinstall it to test and restore the spooler to crash again. In addition, the Start button will not work and serious errors will be reported. Re-uninstalling updates solves this problem." Users say in the feedback center.
Some users also reported installation problems with Windows 10 KB4517211（,) It is reported that the update cannot be installed on some configurations, but it does not seem to be a common problem.
[Figure] Windows 10 is again in an awkward situation: the CPU usage of the Cortana process is as high as 40%.
Windows 10 new patch to CPU utilization rate 100%: modification of registry done
[Figure] Some Windows 10 users cannot use the built-in search function after installing KB4512941
Microsoft promises to fix performance and search problems caused by cumulative updates to Windows 10
Except for high CPU occupancy: background orange of KB4512941 cumulative update rebound screenshot
[figure] KB4515384 is embarrassed: fix the Cortana process problem but cause a serious error in the start menu
[Picture] KB4515384 is embarrassed again: causing annoying audio malfunction
Windows 7 / 8.1 New Buding Zang Cat greasy: quietly collecting data
Microsoft's KB4516067 patch went wrong again, making IE on Surface inoperable
Microsoft releases new Windows 10 patch to fix microphone that fails after update
[Figure] KB4515384 update is maddening: the network adapter is not enabled
Microsoft warns that Windows 10 contains another problem that leads to high CPU usage
[Image] Microsoft acknowledges that KB4515384 has audio problems: two temporary solutions
[figure] KB4515384 is crazy: it also causes the PIN login system to fail to work properly
Windows 10 update is deleted. The main menu menu is being investigated.
Microsoft clarifies that Windows 10 cumulative update KB4515384 does not damage the start menu
It indicates that the high CPU utilization rate of Windows 10 has been solved, but no patch is available.
Former Microsoft employees who have worked for Microsoft for 15 years explain why Windows 10 has so many problems
Clarification: the start menu and built-in search problem are not caused by KB4515384.