1. Open Run by pressing Winkey + R
2. Type regedit.exe and then press enter
3. Go to the key: HKEY_CURRENT_USER\Software\DownloadManager\LastCheck
4. Change the date to any future date of your choice in DD/MM/YY format. For example 01/01/99
5. Close regedit
6. Restart Computer. Now IDM (Internet Download Manager) will not check for any update.
