What is ContextMenu.deu?

Please read below to decide for yourself whether the ContextMenu.deu on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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ContextMenu.deu file information

The process known as Adobe Acrobat Context Menu or Adobe Acrobat Elements belongs to software Adobe Acrobat Elements or Adobe Acrobat (version 9 Pro Extended, 8 Professional, 9 Standard, 8 Standard) or Adobe Common File Installer by Adobe Systems (

Description: ContextMenu.deu is not essential for the Windows OS and causes relatively few problems. The file ContextMenu.deu is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 344,064 bytes (64% of all occurrences), 319,488 bytes, 131,072 bytes or 335,872 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. It can change the behavior of other programs or manipulate other programs. The program has no visible window. There is no detailed description of this service. ContextMenu.deu is not a Windows core file. ContextMenu.deu appears to be a compressed file. Therefore the technical security rating is 65% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can uninstall the program Adobe Acrobat or Adobe Acrobat 9 Pro Extended, update it, or ask Customer Support for help. Go to to update it, go to for support, or go to Adobe Acrobat or Adobe Acrobat 9 Pro Extended in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify ContextMenu.deu related errors

Important: Some malware camouflages itself as ContextMenu.deu, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ContextMenu.deu 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

Adobe Acrobat 6.0 Element
Adobe Acrobat 6 Explorer Extensions

Summary: Average user rating of ContextMenu.deu: based on 4 votes with 2 user comments. 3 users think ContextMenu.deu is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous.

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Best practices for resolving ContextMenu issues

A clean and tidy computer is the key requirement for avoiding problems with ContextMenu. 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.

To help you analyze the ContextMenu.deu process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

ContextMenu.deu [all]