If you have noticed strange characters when printing documents, you are not the only one. A Windows update has introduced a critical problem that affects USB printers Dual. The failure causes erratic behavior in printing and unexpected data.
According to Bleeping Computerthousands of users have reported printing errors ranging from illegible text to network commands. According to Microsoft, this problem arises from the updates published since the end of January 2025 (KB5050092) and affects both Windows 10 (22h2) and Windows 11 (22h2 and 23h2).
The problem specifically affects printers that admit both the USB printing protocol and IPP over USB. The affected documents usually print headed as Post/IPP/Print HTTP/1.1indicating an interruption in IPP communication (Internet Printing Protocol) between the Windows printing service and the printer.
Users point out that The failure becomes evident when the printer turns on or connected to the systemsuggesting that the print tail erroneously sends messages from the IPP protocol to the device when initializing. This results in erroneous printing work, with unintelligible characters and unwanted network command sequences.
How to solve printing errors in Windows 10 and Windows 11
Microsoft has recognized the problem and has implemented a Known Issue Rollback (Kir) to mitigate it. Kir is a Windows function designed to reverse defective updates that do not affect security without the need for user intervention. This solution is focused on system administrators and requires changes in the Windows Local Group Editor.
To achieve this, users must download the following files If they have Windows 10 (KB5050081) or Windows 11 (KB5050092). Once installed, just go to Equipment configuration > Administrative templates within the Group policy editor To apply reversal. Subsequently, you must restart your computer so that changes take effect.
Those who are registered in the Windows 10 Insider program only need Install the last compilation of the PREView channel. This version solves the problem of the printer controller and adds support for a new source (noto).
If you are not insider and do not want to get your hands dirty, Microsoft confirmed that A solution for the rest of the users is on their wayso you should wait a few days. It is relevant to mention that this failure is not presented in Windows 11 24h2 computers, so if you have not updated this version, you now have a pretext.
