What is delta.dll and how to fix delta.dll ?

What is delta.dll file ?


Some anti-malware programs classify delta.dll as a harmful extension to Internet Explorer: for instance PUA:Win32/Montiera (detected by Microsoft), and ADW_BHO (detected by TrendMicro).

Follow steps bellow to try fix the problem with delta.dll

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.


delta.dll descriptions


Delta.dll is not essential for the Windows OS and causes relatively few problems. Delta.dll is located in a subfolder of “C:Program Files (x86)” or sometimes in a subfolder of the user’s “Documents” folder (mostly C:Program Files (x86)Deltadelta1.8.21.5bh).;Known file sizes on Windows 10/8/7/XP are 247,704 bytes (39% of all occurrences), 295,832 bytes and 5 more variants.;This.dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware.;IDs used by this BHO include C1AF5FA5-852C-4C90-812E-A7F75E011D87.;The software has no file description. The program is not visible. It is able to monitor web browsers. It is not a Windows core file. It is certified by a trustworthy company.;Therefore the technical security rating is 55% dangerous.;Uninstalling this variant;If you are having problems with delta.dll, you may also want to uninstall the software Delta toolbar or Delta toolbar on IE using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).