Update KB5006670 was released as part of it Patch Tuesday for Windows 10 in October 2021 and contains "tested" bug fixes, security updates, and Windows enhancements.
By default, this cumulative update is automatically installed on all systems, but seems to cause new problems for some.
Update KB5006670 is important for security, but it seems to be causing problems for network-based printers, according to user reports on forums and Reddit platform.
Many administrators are complaining about the problems printings that were introduced with network printers after the installation of information.
"When printing to a network printer with type 4 drivers, it goes unresponsive for about 15 seconds and then doesn't print," says one user.
“It seems that many Windows Servers (2019) μετά την ενημέρωση KB5006765 ή (κατά την άποψή μου) KB5006672 έχουν ορίσει τον τύπο δικτύου σε “private” αντί για “domain”. Αυτό προκαλεί την application wrong settings in the Windows firewall,” says one user on Reddit.
"Restarting the nla service (network location awareness) resolves the problem (the network type becomes domain again) until the next restart."
It is worth noting that this problem is not widespread and not all users experience problems with network printing, but it seems that there are some other issues with the latest update of Windows 10.
For example, some users are unable to download and install KB5006670, another reported that his device showed Blue Screen of Death, while a third had problems with SmartCards and the stylus.
The latest update of Windows 10 also fails to install on some users displaying error 0x8007000d. This mysterious message reported this year but and last year. The update failure is usually accompanied by a message stating: "We will try to download the update again later".
There is nothing you can do about it. Some have tried the manual installation or Media Creation Tool, but these methods may or may not work.
Microsoft has not yet acknowledged the above issues, nor has it responded to user feedback on the Feedback Hub.
So if your update creates more problems than it solves you can uninstall it:
Open Settings, and select "Update and Security".
On the Windows Update page, open it tab history and click “Remove updates”.
Select the update you want to uninstall. In this case, look for KB5006670 and click "Uninstall".