Hi,
Please whitelist the following registry entries that belongs to Free Download Manager 3.9.6 download monitoring control. Removing them, prevents the download manager to launch and catch links when downloading from a browser.
HKLM\SOFTWARE\Classes\Interface\{0DC81A74-1FBD-4EF6-82B2-DE3FA05E8233}
HKLM\SOFTWARE\Classes\Interface\{1B26E4A2-7F09-4365-9AB8-13E6891E42CB}
HKLM\SOFTWARE\Classes...