The printer error 0x0000011b, appears to be caused by a windows 10 security update(KB5005565) that was released on September 16 last week.
Users of Windows 10 cannot connect to the printer after installing the new version (KB5005565) without the security update.
How to Fix Error 0x0000011b: Windows Cannot Connect to Printer
Because this error began to appear after a recent Windows update, one of the simplest solutions is to delete the most recent update file and then update it when Microsoft resolves the issue in future releases.
There is another approach to fix the “Cannot Connect to Printer” bug if you don’t want to uninstall a single byte. By a user on the Microsoft discussion forum who shared another method to fix this printer error by using register edit.
So, let’s have a look at each approach for resolving this mistake one by one.
Method 1. Fix Error 0x0000011b Using Registry Edit
Open Run, type Regedit and enter
then, navigate to the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print key,
there add a new DWORD-32 bit value named RpcAuthnLevelPrivacyEnabled, and set it to 0, as shown in the Registry file below.
[HKEY LOCAL MACHINE\System\CurrentControlSet\Control\Print]
You should be able to print as well.
When RpcAuthnLevelPrivacyEnabled=1 is configured in the Registry, Windows encrypts RPC communication with network printers and/or print servers.
Method 2. Fix Error 0x0000011b By Deleting Recent Windows Update
Type Settings into the search box and click on it to access it.
Select Update & Security from the drop-down menu.
Now select View Update History from the drop-down menu.
On the next window, select Uninstall Update.
From the update list, right-click on “Security Update for Microsoft Windows (KB5005565)” and select uninstall, then click on Yes.
Wait a few moments for the uninstall process to complete.
By Now, Your Printer will be fixed. Let us know in comment section if you still facing this error.