Video Studio Pro X7 64 bit fatal crash!!!

[concept21]

My system is Win 7 Ultimate 64 bit sp1, Video Studio Pro X7 sp1 64 bit.

Whenever I convert any kind of video format files to webm video, Video Studio X7 will crash and stop. Please release a patch at once!

Error log as following:
===================
Faulting application name: vstudio.exe, version: 17.1.0.22, time stamp: 0x538721fe
Faulting module name: webmmux.dll, version: 0.9.12.0, time stamp: 0x516d1269
Exception code: 0xc0000005
Fault offset: 0x00000000000122ca
Faulting process id: 0x176c
Faulting application start time: 0x01d17203acbc1023
Faulting application path: C:\Program Files\Corel\Corel VideoStudio Pro X7\vstudio.exe
Faulting module path: C:\Program Files\Corel\Corel VideoStudio Pro X7\Common Files\WebM\webmmux.dll
Report Id: 3c1c5d6b-ddf7-11e5-b58b-00158315a310

[lata]

Hi

We do not work for Corel simply volunteers running the forums.

You should contact Corel support for fixes.

Are you running the latest version of Flash? Please try updating Flash