Driving me Crazy! AviSource: Could not decompress frame 0 (c:\source.avs,line 1)

[DevilMind]

AviSource: Could not decompress frame 0 (c:\source.avs,line 1)

this error is driving me crazy on StaxRip, i'm gonna jump out of window because of frustration this is causing me
before StaxRip worked perfectely and now not even one video is encoding,

i get this error on each & every video Format i try.

i am Encoding
HDV (Vegas Pro 11)
to
Lagarith Lossless AVI then
StaxRip to MP4 (x264 2000kbpx CBR 2pass + Nero aac 128kbps CBR LC)
my log file:

------------------------------------------------------------
                        Environment
------------------------------------------------------------

StaxRip version: 1.1.7.2
OS Name        : Windows 7 Ultimate
OS Version     : 6.1.7600.0
OS Type        : 64-bit
OS Culture     : English (United States)

------------------------------------------------------------
                            .NET
------------------------------------------------------------

v2.0.50727 : 2.0.50727.4927
v3.0       : 3.0.30729.4926
v3.5       : 3.5.30729.4926
v4\Client  : 4.0.30319
v4\Full    : 4.0.30319

------------------------------------------------------------
                   Source file MediaInfo
------------------------------------------------------------

D:\00 UK AFA upload clips\pal66.avi

General
Complete name                            : D:\00 UK AFA upload clips\pal66.avi
Format                                   : AVI
Format/Info                              : Audio Video Interleave
Format profile                           : OpenDML
File size                                : 2.15 GiB
Duration                                 : 49s 840ms
Overall bit rate                         : 370 Mbps
TCOD                                     : 149200000
TCDO                                     : 647600000

Video
ID                                       : 0
Format                                   : YUV
Codec ID                                 : UYVY
Codec ID/Info                            : Uncompressed 16bpp. YUV 4:2:2 (Y sample at every pixel, U and V sampled at every second pixel horizontally on each line). A macropixel contains 2 pixels in 1 u_int32.
Duration                                 : 49s 840ms
Bit rate                                 : 369 Mbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate                               : 25.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Compression mode                         : Lossless
Bits/(Pixel*Frame)                       : 16.000
Stream size                              : 2.14 GiB (100%)

Audio
ID                                       : 1
Format                                   : PCM
Format settings, Endianness              : Little
Format settings, Sign                    : Signed
Codec ID                                 : 1
Duration                                 : 49s 840ms
Bit rate mode                            : Constant
Bit rate                                 : 1 536 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 KHz
Bit depth                                : 16 bits
Stream size                              : 9.13 MiB (0%)
Interleave, duration                     : 249 ms (6.23 video frames)
Interleave, preload duration             : 250 ms


------------------------------------------------------------
               Demux AVI using VirtualDubMod
------------------------------------------------------------

Demuxer: Demux AVI
"H:\0 DOWNLOAD MANAGER\00 Audio n Video Converters n codecs\Video Converters -2012 Aug\StaxRip_1.1.7.2\Applications\VirtualDubMod\VirtualDubMod.exe" /s"D:\00 UK AFA upload clips\pal66 temp files\pal66_Demux.vcf" /x

------------------------------------------------------------
        DirectShow filters used to render the source
------------------------------------------------------------

DirectSound Audio Renderer
Video Mixing Renderer
Color Space Converter
AVI Decompressor
AVI Splitter
File Source (Async.)

------------------------------------------------------------
                    Error opening source
------------------------------------------------------------

DirectShowSource : Timeout waiting for graph to start.
(D:\00 UK AFA upload clips\pal66 temp files\pal66_Source.avs, line 1)

DirectShowSource("%source_file%", audio=false, convertfps=true, fps=%source_framerate_mediainfo%)
Crop(0,0, -Width % 8,-Height % 8)
ConvertToYV12()

------------------------------------------------------------
                    Index with ffmsindex
------------------------------------------------------------

D:\00 UK AFA upload clips\pal66.avi
"H:\0 DOWNLOAD MANAGER\00 Audio n Video Converters n codecs\Video Converters -2012 Aug\StaxRip_1.1.7.2\Applications\AviSynth plugins\ffms2\ffmsindex.exe" "D:\00 UK AFA upload clips\pal66.avi" "D:\00 UK AFA upload clips\pal66 temp files\pal66.ffindex"

Writing index... done.


Start:    6:46:14 PM
End:      6:56:33 PM
Duration: 00:10:19


------------------------------------------------------------
                       Source Macros
------------------------------------------------------------

Source Directory:   D:\00 UK AFA upload clips\
Source Directory Name: 00 UK AFA upload clips
Source Directory Parent: D:\
Source File Path:   D:\00 UK AFA upload clips\pal66.avi
Source Files Blank: "D:\00 UK AFA upload clips\pal66.avi"
Source Files Comma: "D:\00 UK AFA upload clips\pal66.avi"
Source Framerate:   25.00
Source Framerate MediaInfo: 25.000
Source Frames:      1246
Source Image Height: 720
Source File Name:   pal66
Source Seconds:     50
Source Image Width: 1280

waiting for your response