What is MailCheck.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the MailCheck.exe 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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MailCheck.exe file information

Windows Task Manager with MailCheck
MailCheck.exe process in Windows Task Manager

The process known as MailCheck (version 2 überprüft POP3- und IMAP-Server auf E-Mails) belongs to software MailCheck (version 2) by Dirk Jansen.

Description: MailCheck.exe is not essential for the Windows OS and causes relatively few problems. The file MailCheck.exe is located in a subfolder of "C:\Program Files (x86)" (common is C:\Program Files (x86)\MailCheck\). Known file sizes on Windows 10/8/7/XP are 6,396,248 bytes (40% of all occurrences), 5,901,560 bytes, 6,524,512 bytes or 6,401,472 bytes. 
The file is digitally signed. MailCheck.exe is not a Windows core file. The program is not visible. The software is loaded during the Windows boot process (see Registry key: MACHINE\User Shell Folders, User Shell Folders). MailCheck.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 40% dangerous, however you should also read the user reviews.

Uninstalling this variant: If problems with MailCheck.exe come up, you could turn to the software company, D-jan, for advice, find out if there is a newer version available or uninstall MailCheck 2 from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify MailCheck.exe related errors

If MailCheck.exe is located in a subfolder of the user's profile folder, the security rating is 74% dangerous. The file size is 5,588,023 bytes. It can change the behavior of other programs or manipulate other programs. The program is not visible. The application is loaded during the Windows boot process (see Registry key: MACHINE\User Shell Folders, User Shell Folders). The file is not a Windows system file. MailCheck.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs.

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

MailChecker Tool
Anwendung, die E-Mail-Postfächer (POP3) nach neuen Mails abfrägt und diese anzeigt. Dazu ist kein E-Mailprogramm nötig. Mails bleiben dabei auf dem Server. Programm ist ein Postfach-Inspektor.
  Oliver Sahr   (further information)

Summary: Average user rating of MailCheck.exe: based on 2 votes with 2 user comments. 2 users think MailCheck.exe is essential for Windows or an installed application.

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Best practices for resolving MailCheck issues

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

MailCheck.exe [all]