How to remove the dmserver virus

Most antivirus programs identify dmserver.exe as malware—for instance Symantec identifies it as Spyware.CometCursor, and Microsoft identifies it as Program:Win32/Starware.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

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Dmserver.exe file information

The process known as Download Manager implementation belongs to software Download Manager by Comet Systems (

Description: Dmserver.exe is not essential for Windows and will often cause problems. The file dmserver.exe is located in a subfolder of "C:\Program Files" (generally C:\Program Files\Comet Systems\DM\BIN\). Known file sizes on Windows 10/8/7/XP are 161,280 bytes (50% of all occurrences), 162,816 bytes or 204,800 bytes. 
The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). It is not a Windows core file. The program is not visible. Therefore the technical security rating is 50% dangerous.

Recommended: Identify dmserver.exe related errors

External information from Paul Collins:

Important: You should check the dmserver.exe process on your PC to see if it is a threat. If Download Manager implementation 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 dmserver issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active dmserver process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the dmserver.exe 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

dmserver.exe [all]