64bit Avisynth requires 64 [EDIT: bit] dll's, Vdub same.
Just putting in the 64 bit folder does nothing but confuse/mess up your installation.
Run Groucho2004 AvsMeter from command line with -
Code:
AvsMeter -avsInfo -L
Will show what dll's you have.
Code:
AVSMeter 2.7.0 (x86) - Copyright (c) 2012-2017, Groucho2004
Usage: AVSMeter script.avs [switches]
Switches:
-avsinfo Display extended Avisynth info
-info [-i] Display clip info
-log [-l] Create log file
-csv Create csv file
-gpu Display GPU/VPU usage (requires GPU-Z)
-range=first,last Set frame range
-timelimit=n Set time limit (seconds)
-priority=n Set process priority (1:low, 2:normal, 3:high)
For more info on the command line switches and INI file
settings read the documentation (AVSMeter.html) included
in the distribution package.
List of available 64 bit dll's for avisynth+:-
http://avisynth.nl/index.php/AviSynth%2B_x64_plugins