moving files bug report. access violation

[kkimber]

background files moving progress;
I press alt+<char> (right side window (network driver)) to filter files then crash.
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Total Commander 8.0
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Access violation.
Access violation
Windows 7 SP1 6.1 (Build 7601)

Please report this error to the Author, with a description
of what you were doing when this error occurred!

Stack trace (x64):7B487A
7D2FFD 7BFC45 97DE64 4CE0CE 4CE3A4 40F34D 7B9B50 7AE213
435859 8961CF 7EC180 89EDC2 77789BD1 43F273 43F701 71C60C

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Continue execution?
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Yes No
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[ghisler(Author)]

The problem is indeed in the quick search dialog. Unfortunately I cannot reprdocude it. Can you give me step by step instructions what I need to press to reproduce it, please?