XYplorer Beta Club

XYplorer.exe version 10.60.0100 crashes after I used the right click menu to combine supported files in (Adobe) Acrobat.
The program freezes instantly after I select that option.

Problem signature:
Problem Event Name: APPCRASH
Application Name: XYplorer.exe
Application Version: 10.60.0.100
Application Timestamp: 4ed13938
Fault Module Name: OLE32.DLL
Fault Module Version: 6.1.7601.17514
Fault Module Timestamp: 4ce7b96f
Exception Code: c0000005
Exception Offset: 0004990d
OS Version: 6.1.7601.2.1.0.256.4
Locale ID: 2057
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789