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 mshta.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.
The process known as Microsoft® HTML Application host or ab0bb9e3b144cac60965e5440a4ee583 belongs to software Windows Internet Explorer or Microsoft Windows Operating System or Internet Explorer or ab0bb9e3b144cac60965e5440a4ee583 by Microsoft (www.microsoft.com) or SWIS.
Description: Mshta.exe is an important part of Windows, but often causes problems. Mshta.exe is located in the C:\Windows\System32 folder or sometimes in a subfolder of C:\.
Known file sizes on Windows 10/8/7/XP are 45,568 bytes (44% of all occurrences), 29,184 bytes and 5 more variants.
Mshta.exe is a Windows system file. The file is a trustworthy file from Microsoft. Therefore the technical security rating is 9% dangerous, however you should also read the user reviews.
Recommended: Identify mshta.exe related errors
If mshta.exe is located in a subfolder of C:\Windows, the security rating is 1% dangerous. The file size is 13,312 bytes (71% of all occurrences) or 47,104 bytes. Mshta.exe is a Windows system file. It is a trustworthy file from Microsoft.
If mshta.exe is located in the Windows folder for temporary files, the security rating is 26% dangerous. The file size is 458,829 bytes. The program has a visible window. There is no description of the program. The process starts when Windows starts (see Registry key: Run, RunOnce, User Shell Folders). It is not a Windows system file. mshta.exe appears to be a compressed file.
If mshta.exe is located in a subfolder of "C:\Program Files", the security rating is 40% dangerous. The file size is 29,184 bytes.
If mshta.exe is located in a subfolder of the user's profile folder, the security rating is 58% dangerous. The file size is 29,184 bytes.
Important: Some malware disguises itself as mshta.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the mshta.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.
A clean and tidy computer is the key requirement for avoiding problems with mshta. 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.
To help you analyze the mshta.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.