: Ensure your Steinberg USB-eLicenser is plugged in, as
: Modern reFX products, including newer versions like Nexus 3 and 4, are 64-bit only Bridge Solutions refx nexus 2 dll 64 bit link
If you are using an older 32-bit version of Nexus 2 in a 64-bit DAW (like modern versions of FL Studio or Ableton), you may face crashes or performance issues. NEXUS2 manual - reFX : Ensure your Steinberg USB-eLicenser is plugged in,
Are you having trouble with a specific when trying to scan the plugin? as : Modern reFX products
Here is a breakdown of why this specific search query is problematic and how the software actually performs.