What is am_delta.exe file ?

The genuine AM_Delta.exe file is a software component of Microsoft Forefront Endpoint Protection by Microsoft Corporation.;An executable file named “AM_Delta.exe”, when found in “C:WindowsSoftwareDistributionDownloadInstall”, is a Microsoft download package that installs a delta definition update, (not a “full” engine and definition update), containing changes to antimalware threat definitions, to keep Forefront Endpoint Protection or other Microsoft antimalware products current with constantly changing malware threats. The file name may also be “AM_Delta_Patch.exe” or “AM_Delta_Patch.1.exe”, although “_Patch” files are usually 300MB-400MB in size while “AM_Delta.exe” files are about 10 times larger, depending upon the volume of threat definitions included. The execution of an “AM_Delta.exe” or “_Patch” file is started using “MPSigStub.exe” with the name of the signature update file as a parameter. Downloading and execution of such files occurs in an enterprise environment controlled by WSUS (Windows Server Update Services), an integral part of the Windows Server OS. In 2016, 41 years after its founding, Microsoft was the world’s largest software company by revenue.;AM_Delta stands for Microsoft A nti- M alware Signature Delta Update Package;In some case am_delta.exe can harm your computer. Therefore, please read below to decide for yourself whether the AM_Delta.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 am_delta.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.

am_delta.exe descriptions

An executable file named “AM_Delta.exe”, when found in “C:WindowsSoftwareDistributionDownloadInstall”, is a Microsoft download package that installs a delta definition update, (not a “full” engine and definition update), containing changes to antimalware threat definitions, to keep Forefront Endpoint Protection or other Microsoft antimalware products current with constantly changing malware threats. The file name may also be “AM_Delta_Patch.exe” or “AM_Delta_Patch.1.exe”, although “_Patch” files are usually 300MB-400MB in size while “AM_Delta.exe” files are about 10 times larger, depending upon the volume of threat definitions included. The execution of an “AM_Delta.exe” or “_Patch” file is started using “MPSigStub.exe” with the name of the signature update file as a parameter. Downloading and execution of such files occurs in an enterprise environment controlled by WSUS (Windows Server Update Services), an integral part of the Windows Server OS. In 2016, 41 years after its founding, Microsoft was the world’s largest software company by revenue.;AM_Delta stands for Microsoft A nti- M alware Signature Delta Update Package;The.exe extension on a filename indicates an exe cutable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the AM_Delta.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.