Extract the contents of this new ZIP file into a dedicated folder. Open Chrome and go to chrome://extensions/ . Toggle on in the top-right corner.
Users typically see the “IDM crx header invalid” message in the following situations: idm crx header invalid
Update your IDM software first: Open IDM > > Check for updates . Extract the contents of this new ZIP file
Ensure is toggled On (this is vital for downloading local files). idm crx header invalid