AE project crashes on startup - due to Warp Stabilizer and Highlight/Shadow

i've got head scratcher here...

 

firstly, have been working on project file several days no problems. running smoothly... working, tweaking, rendering... successful.

 

a couple days after doing final render, went re-open project , got these 2 errors, followed ae crashing:

 

 

to best of knowledge, changed nothing on system.

 

i've tried removing 3rd parth plugins (video copilot optical flares, element, etc...) no avail. program still crashes when opening file.

 

i've since installed updates ae cs 6, still no luck.

 

removing warp stabilizer , shadow/highlight allow me open project file (obviously telling me missing both).

 

i've tested out both plug-ins in different file, , i'm able open no problem.

 

i'm running on mac book pro running osx 10.6.8

 

model name:	macbook pro
model identifier:	macbookpro8,2
processor name:	intel core i7
processor speed:	2.2 ghz
number of processors:	1
total number of cores:	4
l2 cache (per core):	256 kb
l3 cache:	6 mb
memory:	8 gb

 

 

 

amd radeon hd 6750m:

 

chipset model:	amd radeon hd 6750m
type:	gpu
bus:	pcie
pcie lane width:	x8
vram (total):	1024 mb
vendor:	ati (0x1002)
device id:	0x6741
revision id:	0x0000
rom revision:	113-c0170l-573
gmux version:	1.9.23
efi driver version:	01.00.573

 

any thoughts???

if these work in new project, let's try importing broken project new project.

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