What is HPZipm12.dll?

HPZipm12.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if HPZipm12.dll is a Windows system file or if it belongs to an application that you can trust.

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HPZipm12.dll file information

The process known as PmlDrv Module or Pml Driver HPZ12 (Pml Driver HPZ12) belongs to software 32 Bit HP CIO Components Installer or 32 Bit HP CIO Components or Pml Driver HPZ12 (Pml Driver HPZ12) or 32 Bit HP BiDi Channel Components or 32 Bit HP BiDi Channel or Bidi User Mode by Hewlett-Packard (

Description: HPZipm12.dll is not essential for the Windows OS and causes relatively few problems. The HPZipm12.dll file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 53,760 bytes (50% of all occurrences), 53,248 bytes and 4 more variants. 
The service can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. It is not a Windows system file. The process can be uninstalled in the Control Panel. HPZipm12.dll is able to manipulate other programs. Therefore the technical security rating is 28% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with HPZipm12.dll, you may also uninstall the associated program (Start > Control Panel > Uninstall a Program > 32 Bit HP CIO Components Installer or 32 Bit HP CIO Components).

Recommended: Identify HPZipm12.dll related errors

If HPZipm12.dll is located in a subfolder of C:\Windows\System32, the security rating is 42% dangerous. The file size is 52,736 bytes. The program is not visible. The service has no detailed description. It is not a Windows system file. HPZipm12.dll is able to manipulate other programs.

Important: Some malware disguises itself as HPZipm12.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the HPZipm12.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

pzipm12.dll is a PmlDrv\r belonging to Bidi User Mode\r from Hewlett-Packard\r
  Andrew   (further information)
C:\Program Files\Fingerprint Sensor\AtService.exe
HPZIPM12.DLL (PmlDrv Module) is a component from the software Bidi User Mode version 11.1.51 by Hewlett-Packard. HPZIPM12.DLL version 11.1.51 has a file size of 52,736 bytes, and is most commonly found under the directory "" with a creation date of January 1, 1970. This is not a known spyware, adware, or trojan component.
Hp laserjet driver dll
  totofe   (further information)
Installed as part of HPLJ 3000 Series PostScript driver
  Malcolm Cleveland   (further information)

Summary: Average user rating of HPZipm12.dll: based on 4 votes with 5 user comments. 3 users think HPZipm12.dll is essential for Windows or an installed application. One user thinks it's probably harmless. 2 users don't grade HPZipm12.dll ("not sure about it").

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Best practices for resolving HPZipm12 issues

A clean and tidy computer is the key requirement for avoiding problems with HPZipm12. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the HPZipm12.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

HPZipm12.dll [all]