What is PEhelper.dll?

PEhelper.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about IBM Lotus Forms™ Viewer IE helper.

Click to Run a Free Scan for PEhelper.dll related errors

PEhelper.dll file information

The process known as IBM® Lotus Forms™ Viewer IE helper or IBM® Forms™ Viewer IE helper or IBM® Workplace Forms™ Viewer IE helper belongs to software IBM Lotus Forms™ Viewer or IBM Forms™ Viewer or IBM Workplace Forms™ Viewer by IBM (

Description: PEhelper.dll is not essential for the Windows OS and causes relatively few problems. PEhelper.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 69,632 bytes (57% of all occurrences), 75,168 bytes, 153,280 bytes, 153,720 bytes or 75,200 bytes. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 0941C58F-E461-4E03-BD7D-44C27392ADE1. The program is not visible. The PEhelper.dll file is able to change the behavior of, or monitor Internet Explorer. There is no detailed description of this service. The file is not a Windows system file. The software can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 48% dangerous.

Uninstalling this variant: You can uninstall the program IBM Lotus Forms Viewer or IBM Forms Viewer, or ask the software vendor for support. Click on IBM Lotus Forms Viewer or IBM Forms Viewer in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify PEhelper.dll related errors

Important: Some malware camouflages itself as PEhelper.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the PEhelper.dll process on your PC to see if it is a threat. If IBM Lotus Forms™ Viewer IE helper has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving PEhelper issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active PEhelper process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the PEhelper.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

PEhelper.dll [all]