Access violation after closing synchronize tool

[MVV]

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Total Commander 7.50a fin
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Access violation at address 00420EA7. Read of address 000018CC.

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

Windows exception: C0000005
Stack trace:
00420EA7
522A3C 442479 4443BA >414514 44397B 414514
419B58 419BF0 69F119
Raw:
5215AA 522A3C 442479 444689 4161F0 443A3D
4443BA 414514 44397B 414514 419B58 419BF0
419DAA 69F119
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Continue execution?
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Additional info: I open sync tool, compare folders, then open search dialog (Alt+any letter) and close sync dialog w/o closing search dialog. TC shows this exception message.

[ghisler(Author)]

I will check that, thanks for the detailed description!