Controls - when use FormExtender and set cation will crash!

/////////crash 1/////////////////////////////

VB6.EXE!00401fad()

[Frames below may be incorrect and/or missing, no symbols loaded for VB6.EXE]

VB6.EXE!00403e3b()

VB6.EXE!00405a79()

VB6.EXE!00405877()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e643cf()

user32.dll!75e643f5()

mfc42u.dll!67b1661f()

mfc42u.dll!67b16671()

mfc42u.dll!67b1887a()

mfc42u.dll!67b187d2()

> Codejock.CommandBars.Unicode.v15.2.1.ocx!10178b9c()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e670f4()

user32.dll!75e6738f()

ntdll.dll!7708642e()

user32.dll!75e60d69()

user32.dll!75e60cfd()

user32.dll!75e6094c()

user32.dll!75e628f3()

user32.dll!75e62e40()

user32.dll!75e5f0c3()

user32.dll!75e5f0ad()

user32.dll!75e5f1c8()

oleaut32.dll!75afd849()

VB6.EXE!004b5d5a()

VB6.EXE!00444cfd()

VB6.EXE!0043010d()

VB6.EXE!00403180()

VB6.EXE!0040b82c()

ntdll.dll!7708642e()

user32.dll!75e63578()

VB6.EXE!0042f669()

VB6.EXE!0042f5c9()

MSO97RT.DLL!3078d393()

MSO97RT.DLL!3078d224()

VB6.EXE!0042f580()

VB6.EXE!0045b45f()

VB6.EXE!00459ff6()

kernel32.dll!75a31174()

ntdll.dll!7709b3f5()

ntdll.dll!7709b3c8()

/////////crash 2/////////////////////////////

> VB6.EXE!00401fad()

[Frames below may be incorrect and/or missing, no symbols loaded for VB6.EXE]

VB6.EXE!00403e3b()

VB6.EXE!0042f466()

VB6.EXE!00493f57()

VB6.EXE!00493e03()

VB6.EXE!00493ce7()

VB6.EXE!00512661()

VB6.EXE!00512594()

VB6.EXE!005127b9()

VB6.EXE!00512424()

VB6.EXE!00501465()

VBA6.DLL!0fbc53aa()

VBA6.DLL!0fbb523b()

VBA6.DLL!0fbce5e1()

VBA6.DLL!0fc08034()

VBA6.DLL!0fa931a2()

VBA6.DLL!0fc01d67()

ole32.dll!75861075()

VBA6.DLL!0fc01d67()

VBA6.DLL!0fc01826()

mfc42u.dll!67b0b200()

mfc42u.dll!67b0ec9f()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e689b5()

user32.dll!75e63578()

VB6.EXE!0042f669()

VB6.EXE!0042f5c9()

MSO97RT.DLL!3078d393()

MSO97RT.DLL!3078d224()

VB6.EXE!0042f580()

VB6.EXE!00513403()

VB6.EXE!004b5bc4()

VB6.EXE!00444cfd()

VB6.EXE!0043010d()

VB6.EXE!00403180()

VB6.EXE!0040b82c()

ntdll.dll!7708642e()

user32.dll!75e63578()

VB6.EXE!0042f669()

VB6.EXE!0042f5c9()

MSO97RT.DLL!3078d393()

MSO97RT.DLL!3078d224()

VB6.EXE!0042f580()

VB6.EXE!0045b45f()

VB6.EXE!00459ff6()

kernel32.dll!75a31174()

ntdll.dll!7709b3f5()

ntdll.dll!7709b3c8()

///////////// crash 3/////////////////////////////

> VB6.EXE!00401fad()

[Frames below may be incorrect and/or missing, no symbols loaded for VB6.EXE]

VB6.EXE!00403e3b()

VB6.EXE!00405a79()

VB6.EXE!00405877()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e643cf()

user32.dll!75e643f5()

mfc42u.dll!67b1661f()

mfc42u.dll!67b16671()

mfc42u.dll!67b1887a()

mfc42u.dll!67b187d2()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f598b9c()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e670f4()

user32.dll!75e6738f()

ntdll.dll!7708642e()

user32.dll!75e60d69()

user32.dll!75e60cfd()

user32.dll!75e60877()

user32.dll!75e6094c()

user32.dll!75e628f3()

user32.dll!75e62e40()

user32.dll!75e60e84()

mfc42u.dll!67b2270c()

mfc42u.dll!67b2287a()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f4b1a79()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f58f519()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f58f6ff()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f5898fd()

mfc42u.dll!67b2e943()

mfc42u.dll!67bd4eff()

VB6.EXE!0040865a()

VB6.EXE!004134b4()

VB6.EXE!004132b2()

VB6.EXE!0041b177()

VB6.EXE!00403ac8()

VB6.EXE!0040f2ec()

VB6.EXE!004b5d5a()

VB6.EXE!00444cfd()

VB6.EXE!0043010d()

VB6.EXE!0040b82c()

VB6.EXE!0040b7f8()

msvcrt.dll!755498cd()

mfc42u.dll!67b2fdd2()

mfc42u.dll!67bc581e()

mfc42u.dll!67bc5892()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f58fb03()

mfc42u.dll!67b16657()

mfc42u.dll!67b1887a()

mfc42u.dll!67b187d2()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f598b9c()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e643cf()

user32.dll!75e643f5()

mfc42u.dll!67b1661f()

mfc42u.dll!67b16671()

mfc42u.dll!67b1887a()

mfc42u.dll!67b187d2()

Codejock.DockingPane.Unicode.v15.2.1.ocx!0f865f74()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e643cf()

user32.dll!75e643f5()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f446b1e()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e670f4()

user32.dll!75e6738f()

ntdll.dll!7708642e()

user32.dll!75e6732e()

user32.dll!75e62d1c()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f476edc()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f4770d4()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f479fbe()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f468693()

mfc42u.dll!67b36b57()

mfc42u.dll!67b1887a()

user32.dll!75e63d83()

mfc42u.dll!67b187d2()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f598b9c()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e643cf()

user32.dll!75e643f5()

Codejock.CommandBars.Unicode.v15.2.1.ocx!0f446b1e()

user32.dll!75e686ef()

user32.dll!75e68876()

user32.dll!75e6881f()

user32.dll!75e689b5()

user32.dll!75e63578()

VB6.EXE!0042f669()

VB6.EXE!0042f5c9()

MSO97RT.DLL!3078d393()

MSO97RT.DLL!3078d224()

VB6.EXE!0042f580()

VB6.EXE!0045b45f()

VB6.EXE!00459ff6()

kernel32.dll!75a31174()

ntdll.dll!7709b3f5()

ntdll.dll!7709b3c8()

if I remove all FormExtender then will not crash.

This problem is exist form 15.0.1 to 15.2.1

I can't find the prboblem.

Thanks!