Win32spl.dll Replace

[Jarrell Campbell]

Errorsrelated to win32spl.dll can arise for a few different different reasons. For instance, a faulty application, win32spl.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.

In the vast majority of cases, the solution is to properly reinstall win32spl.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.

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Download win32spl.dll file for free for the Windows platform. This DLL is produced by Microsoft Corporation. There are currently 10 versions available and the latest version is v10.0.14393.0.

If a program or game requires win32spl.dll, then Windows will check for the .dll file before launching the program. If any issue is detected, it will display an error and the program won't launch. A few examples of the errors are:

This application failed to start because win32spl.dll was not found. The program can't start because win32spl.dll is missing from your computer. There was a problem starting win32spl.dll. The specified module could not be found. The file 'win32spl.dll' could not be loaded or is corrupt. Setup cannot continue. The code execution cannot proceed because win32spl.dll was not found. Reinstalling the program may fix this problem. win32spl.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vender for support.

These errors are displayed when this DLL file is missing from your PC, has issues, or that it is corrupted. In such cases, the solution is to reinstall the DLL file on your computer or place it in the program or game that requires it.

There are two ways in which you can install this DLL file on your computer. You can either copy the file to the installation folder of the application that requires the DLL or register it using Microsoft REGSVR. Here are the instructions for both the methods:

NONE of the suggestions offered up resolve the sharing issues and everyone seems to be hoping that Microsoft addresses the problems with the November update. That's a long time to limp along without a working shared printer!

Unfortunately, I'm a home environment user with limited "geek level" abilities to control print servers or resurrect and install previous versions of component files. My options are somewhat limited until my frustration level motivates me to attempt a fix that I might screw up. Thanks for the workaround description.

All of our Windows 10 Pro 32-bit and 64-bit Feature 21H2 and Enterprise 64-bit Feature 21H2 systems have Windows Update KB5008212 installed. They no longer have any network printing issues. The Windows Server 2016 Print Server was updated this past weekend and it caused older Windows operating systems to fail communication with this server until I added the following Registry Key to the Windows Server 2016 system TEMPORARILY until those Windows operating systems are upgraded. This Registry Value reduces security of the Print Server and is only a temporary stop-gap measure to allow the older systems to print:

We will remove this Registry Value or set it to ONE when the older systems are removed or updated. Among the Windows Updates installed this past weekend on Windows Server 2016 Print Server was KB5008207. This likely turned on or refined the RPC Network Print Security feature as my GUESS (only due to its numeric proximity to KB5008212 !!)

I never replaced (or had to replace) the three system files. What finally cleared up other network devices not being able to see the printer (which is directly USB connected to one Windows 10 desktop) was the regedit to add the "RpcAuthnLevelPrivacyEnabled"=dword:00000000 key to the computer attached to the printer. This fixed the final show stopping 0x0000011B error on all the other devices. I had already done all the other settings fixes on all the devices, i.e. network set to private, discovery and sharing ON, various services set to automatic, SMB 1.0 CIFS File Sharing Support (Client) turned ON, and allow network discovery through Windows Defender Firewall. I don't have a server per se (unless the desktop serves that purpose) and I never tried a suggestion to reset the network. I don't have any hope that Microsoft will ever address the vulnerabilities (whatever they are) that are introduced by the SMB 1.0 File Sharing Support turned on, or the register entry disabling privacy. I just need my printer to work with other devices.

[German]As of October 12, 2021, Microsoft has addressed new vulnerabilities in the environment of the security holes known as PrintNightmare via update. Therefore, a short look at the issue in question, which is still not off the table. In addition, it crystallizes that the October 2021 update for Windows will once again cause printing problems for network printers. There is a rough overview of this as well. Addition: Microsoft has just confirmed certain printing problems.

Windows updates from October 12, 2021 lead to new printing problems for some users. Update KB5006670 for Windows 10 version 2004 through 21H1 breaks the ability to print from a client to a Windows server. Blog reader Christian addressed it in this comment: Kb5006670 installed on clients causes inability to print from a server. On my German blog post Patchday: Windows 10-Updates (12. Oktober 2021) (here is the English version: Patchday: Windows 10-Updates (October 12, 2021)), there were also a number of other feedbacks about printing problems. German reader Liam addressed the issue in this comment:

Has anyone had problems with network printers installed on a server after the KB5006670 update? Printers could not be reinstalled because they were asked for credentials. Even with correct input no chance. Uninstalled the update and the connection worked immediately :)

The problem is confirmed by other readers. Blog reader Marco points out in this comment that according to his experience it currently only affects computers in workgroups without Actice Directory integration. He writes the following about it:

So far the only workaround is to uninstall the update completely or to replace the win32spl.dll in the System32 folder with an older one (for example with the September version 10.0.19041.1237. In the Bleeping Computer forum you can find a script to easily replace the DLL. You have to adjust the "icacls" line in the script for a German Windows and use "administrators" instead of "builtin\administrators".

Microsoft has just confirmed certain printing problems in the Windows status area in various Know-Issues sections. The article Custom printing properties might not be correctly provided to print server clients states:

This issue results from an improper building of the data file which contains the printer properties. Clients which receive this data file will not be able to use the file content and will instead proceed with default printing settings. Clients who have previously received the settings package prior to the installation of KB5005611 are unaffected. Servers which use default print settings and have no custom settings to provide to clients are unaffected.

Note: The printer connection methods described in this issue are not commonly used by devices designed for home use. The printing environments affected by this issue are more commonly found in enterprises and organizations.

Workaround: IT administrators with admin privileges can still install printer drivers on the client through other means, such as copying packaged drivers from a known good package location. Additionally, clients can still be modified manually to adopt desired printer settings.

The problem affects all Windows clients from Windows 7 SP1 to Windows 10 21H1, as well as the respective server pedants. The page also lists the error Installation of printers via Internet Printing Protocol (IPP) might not succeed.

After installing KB5005565, installation of printers using Internet Printing Protocol (IPP) might not complete successfully. Devices which had connected to and installed the printer prior to the installation of KB5005565 are unaffected and print operations to that printer will succeed as usual.

For cumulativen Update KB5006672 for Windows 10 Version 1809, Microsoft explicitly stated that a problem with deploying drivers for Internet printers was corrected (see also Patchday: Windows 10-Updates (October 12, 2021)). In the KB5006675 update for the RTM version of Windows 10, on the other hand, the group policy setting for Point-and-Print (RestrictDriverInstallationToAdministrators) was implemented for the first time.

I also received an email from security vendor Tenable informing me that Microsoft has again closed a spoofing vulnerability CVE-2021-36970 with the Windows updates in Windows 7 to Windows 10 as well as the server counterparts as of October 2021.

The latest release includes a fix for CVE-2021-36970, a spoofing vulnerability in Microsoft's Windows Print Spooler. Researchers XueFeng Li and Zhiniang Peng of Sangfor discovered this vulnerability. They are also credited with the discovery of CVE-2021-1675, one of two vulnerabilities known as PrintNightmare. Although no details about the vulnerability have been disclosed yet, it is definitely something to keep an eye on as more and more Print Spooler-related vulnerabilities were patched over the summer. At the same time, ransomware groups started to include PrintNightmare in their affiliate playbook. We strongly recommend that organizations apply these patches as soon as possible. Microsoft also patched the CVE-2021-40449 vulnerability, a vulnerability in Win32k that allows elevation of privilege. According to reports, this vulnerability has already been exploited by attackers as a zero-day. It is not uncommon for zero-day vulnerabilities with elevated privileges to be patched on Patch Tuesday. These vulnerabilities are most valuable in post-compromise scenarios when an attacker has gained access to a target system by other means to execute code with elevated privileges.

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