Queue'ing doesn't work. It says "failed" after you try to do it.
Same here
avidemux3_jobs --help
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Avidemux v (r8994)
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Rekicking one item will resume, but several times there are failures.
Queue'ing works on Win7 x64 Sp1 with Avidemux 2.6.7 over here. It only failed if i use complex job names. Did you try some simple job names like only Movie1 for example?