Explorer.exe may also be w32. Codered and w32.mydoom.b@mm viruses. The virus is spread by mail, and you are infected when you open the attachment sent by the virus. The virus will establish SMTP service on the victim's machine. This virus allows attackers to access your computer and steal passwords and personal data.

explorer.exe

The process names that viruses often imitate are: iexplorer.exe, expiorer.exe and explore.exe. Explorer.exe is the "resource manager" that we often use. If you end the explorer.exe process in Task Manager, the taskbar, desktop and open files will disappear. Click Task Manager → File → New Task, enter explorer.exe, and the disappeared things are back. The function of explorer.exe process is to let us manage the resources in the computer.

Explorer.exe process starts with the system by default, and the path of its corresponding executable file is "C:\Windows" directory, and other files are viruses.

I found the same answer to the same question. ...

Let me sum up, it may be a virus. You have to find a way to kill virus, or start running, and then CMD, go to drive C, find explorer.exe, and delete all the extra ones (those with certain dos ability ...).

Or ... reload? Open rar first, check C disk resources and important backups, and then reinstall. ...

Rar, 7z, OK and other compression software, you can view computer resources ~