Biasanya PopUp IDM yang memberitahukan bahwa kita menggunakan fake serial dan PopUp tersebut memiliki dua versi yang masing-masing tulisannya berbeda satu sama lain.
- "Internet Download Manager has been registered with a Fake Serial Number. Be aware that the cracked product may work incorrectly and download files with errors. Thus we advise you to purchase the full-featured product."
- "Internet Download Manager has been registered with a fake Serial Number."
