Avast firewall blocking internal program component and causing crashes

Program: Steinberg Cubase 5/6 (x64 versions of the program only).
What is blocked: VSTBridge.exe (application used to bridge x86 vst plugins to x64 program)
Symptoms: during program startup and plugin folder scanning any x86 plugins bridged via vstbridge.exe trigger a firewall popup and halts/freezes scanning. Regardless of selection (allow/allow each time) cubase 5/6 x64 freezes and needs to be forcefully shut down. It keeps freezing during startup until avast is disabled, at which point it scans the plugins successfully.

Please look into this and fix it ASAP!

Thanks

Can you generate a dump?

Manual dump: when the machine is in stalled state, hold down the rightmost CTRL key, and press the SCROLL LOCK key twice. This will cause a machine to ‘blue-screen’ and dump of memory will start.
More info: http://support.avast.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=71

To generate full dump instead of only kernel (or small dump), see http://www.msfn.org/board/creating-memory-dumps-t130005.html.