If you are seeing errors that this file is missing or corrupt, it is usually because an antivirus has quarantined it or a pirated "crack" has damaged the installation.
: Go to Control Panel > Programs > Uninstall a program , find "Internet Download Manager," and remove it.
Instead of downloading a risky .rar file, use these official methods to restore the file and fix errors:
: Get the latest version directly from the Official Internet Download Manager Site .
If IDM is still running but throwing errors, an update can often replace corrupt files.
The safest way to restore missing or corrupted modules is a clean installation of the genuine software.