We did not find any significant problem with EXPLORER.EXE. This file is safe and secure for your computer. But sometimes, Viruses and malware use the same filename as legitimate files, so it is a good idea to check the exact file path as mentioned below before taking any decision.

Legitimate File Location : C:\WINDOWS\explorer.exe
Type : Legitimate
Description : Executable file for Windows Explorer
Possible Error
: Bad Image Error, Not a valid Windows image

 
How to fix EXPLORER.EXE file / Error message