What is duc40.exe and how to fix duc40.exe ?

What is duc40.exe file ?


In some case duc40.exe can harm your computer. Therefore, please read below to decide for yourself whether the DUC40.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.

Follow steps bellow to try fix the problem with duc40.exe

1. Use cleanmgr

To run the command cleanmgr :
Press Windows key + Q.
Enter cmd in search box , followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command cleanmgr and press Enter.

2. Use sfc /scannow

To run the command sfc /scannow :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command sfc /scannow and press Enter.

3. uninstalling programs :

To uninstall unnecessary programs :
Open the Start menu (Press Windows key + X) .
Click the first menu item Programs and Features.
Search unnecessary programs in the list of installed programs, .
Click the software you want to uninstall.

4. using msconfig

To run the command msconfig :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command msconfig and press Enter.

5. Automatic Update

To run the command wuauclt /ShowWindowsUpdate:
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command wuauclt /ShowWindowsUpdate and press Enter.

6. Use resmon command

To run the command resmon :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command resmon and press Enter.

7. use DISM.exe

To run the command DISM.exe /Online /Cleanup-image /Restorehealth :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.


duc40.exe descriptions


DUC40.exe is not essential for the Windows OS and causes relatively few problems. DUC40.exe is located in a subfolder of “C:Program Files (x86)” or sometimes in a subfolder of the user’s profile folder —usually C:Program Files (x86)No-IP.;Known file sizes on Windows 10/8/7/XP are 346,624 bytes (39% of all occurrences), 347,648 bytes or 270,336 bytes.;It is a file with no information about its developer. The file is not a Windows system file. The program has no visible window. The application starts upon Windows startup (see Registry key: Run, User Shell Folders).;Therefore the technical security rating is 52% dangerous, however you should also read the user reviews.;Uninstalling this variant;You have the option to uninstall No-IP DUC software via Windows Control Panel/ Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7) or look for help from the software company No-ip.