Shared printer not working after windows updates
Windows 10’s recent KB5006670 update is causing network printing issues on many devices. Users are reporting that their printer sharing not working. They are unable to connect network print server and shared printer. Some users addressed error code 0x00000709. And ‘Element not found’ errors. Even user unable to share the printers.
Cause for printer sharing not working after windows update issue
1. Window 11 – KB5006674
2. Windows 10 2004, 1909, 20H1, and 21H1 – KB5006670
3. And Windows 8: KB5006714
The complete list of Windows platforms impacted by this issue includes:
Client: Windows 11, version 21H2, Windows 10, version 21H1, Windows 10, version 20H2, Windows 10, version 2004, Windows 10 version 1909, Windows 10 version 1809, Windows 10 Enterprise LTSC 2019, Windows 10 version 1607, Windows 8.1 and Windows 7 SP1
Server: Windows Server 2022, Windows Server version 20H2, Windows Server version 2004, Windows Server version 1909, Windows Server version 1809 and Windows Server 2008 SP2

The Windows 10 KB5006670 update stopping network printing
In this year September month above updates caused printing issues globally.
User trying to print a test page gives them error as 0x0000011b from their PC. The reported problems observed Windows 10‘s KB5006670 update. as this update is widely used version of Windows at this time.
As per Microsoft has released a security update to fix the last remaining PrintNightmare zero-day vulnerabilities. This was allowing attackers to gain administrative privileges. Microsoft has changed its Point and Print printing feature.
Option 1 Uninstall the KB5006670 update
As suggest by different admins globally primarily uninstallation of Windows 10 KB5006670 sufficient to resolve printing issues.
Command for uninstall windows Update patches
Go through command prompt type
wusa /uninstall /kb:5006670
As per the Microsoft uninstalling the update will remove the security walls for 74 vulnerabilities, including one actively exploited.
How to Uninstall Windows Update from Control panel
- Click Start, point to All Programs, and then click either Windows Update or Microsoft Update.
- Click Custom.
- Now Click to clear the check box that is next to the update that you want to hide.
- Expand the update that you want to hide, and then click to clear the Don’t show this update again check box.
- Click Review and install updates.

Option 2 Replace windows System32 dll C:\Windows\System32\Win32spl.dll
KB5006670 replaces C:\Windows\System32\Win32spl.dll with version 10.0.19041.1288 which is giving problem errors for printing
Following batch file create for replace this dll with version 10.0.19041.1237 that was installed problematic patch from windows:
As per the expert this is also going to breach security of your computer. But we have only this option to get existing printing issue. We must wait till windows further patch update to resolve printer related issues.
Option 3 Enable CopyFiles feature again for resolving printer issues
As per the blog few of the HP printers required driver as the Microsoft has disabled the CopyFiles feature by default and added an undocumented group policy that allows admins to enable it again.
This policy can be configured in the Windows Registry under HKLM\Software\Policies\Microsoft\Windows NT\Printers key and by adding a value named CopyFilesPolicy. When set to ‘1’, CopyFiles will be enabled again.
To enable the CopyFiles feature, create a Windows Registry value under the HKLM\Software\Policies\Microsoft\Windows NT\Printers key named CopyFilesPolicy. When set to ‘1’, CopyFiles will be enabled again.
to create manually a .reg resitry update file copy following text in note pad set file .extension as .reg

Is uninstalling the windows update work for printer?
Simply uninstalling the update will only work temporarily. The update will be automatically reinstalled within the next several days. To prevent it from reinstalling, use the Microsoft Show/Hide Update Tool called wushowhide.diagcab after the KB5006670 update is fully uninstalled. It will list all the updates that are scheduled to be installed with checkmark boxes next to each item. Put a checkmark in the box for the KB5006670 and run it. After its done, that update will no longer be installed.
Source : BleepingComputer.com