What is imjpcd.dic?

Please read below to decide for yourself whether the imjpcd.dic 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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Imjpcd.dic file information

The process known as Microsoft IME Code Dictionary or Microsoft IME (version 2003 System Dictionary) belongs to software Microsoft ImeCode or Microsoft IME (version 2003) by Microsoft (

Description: Imjpcd.dic is not essential for the Windows OS and causes relatively few problems. Imjpcd.dic is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 110,637 bytes (98% of all occurrences), 114,734 bytes or 114,730 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. The program is not visible. The service has no detailed description. Imjpcd.dic is not a Windows core file. The file is able to record keyboard inputs. The imjpcd.dic file is a Microsoft signed file. Therefore the technical security rating is 66% dangerous, however you should also read the user reviews.

Recommended: Identify imjpcd.dic related errors

If imjpcd.dic is located in a subfolder of "C:\Program Files\Common Files", the security rating is 60% dangerous. The file size is 106,848 bytes. It can change the behavior of other programs or manipulate other programs. The program has no visible window. It is digitally signed. There is no detailed description of this service. Imjpcd.dic is not a Windows system file. imjpcd.dic appears to be a compressed file.

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

Part of Windows Japanese IME
  Pete G.  

Rating chart

Summary: Average user rating of imjpcd.dic: based on 8 votes with 1 user comment. 7 users think imjpcd.dic is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving imjpcd issues

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

imjpcd.dic [all]