Action! doesnt work anymore

[Chris]

OS: Windows 7
Video Card: AMD Radeon HD 7800 Series
Memory: 8GB
Monitor Resolution: 1920x1200
Video Editor: Camtasia
Game Problem: Minecraft
Video Type: AVI

Hello.
I got a problem with Action!.
I played today some rounds Minecraft and recorded some stuff, well Action! crashed after 30 Minutes and so my recorded file is still playable with Windows Media Player with both Audio streams, but when I want to split it (should be with Virtual Dub) it says that its broken and throws out a wrong audio file.
I tried to recover it with different programs but I only get a 1 minute long video file out.
But Windows Media Player can still play it till the very end, just the last 2-3 minutes are fucked up, which isnt a problem, I need the file before, if its possible. When its not possible it shouldnt be bad, as I can record it again

Alright, well the main problem is that after the crash I cant start Action! anymore as it says that it doesnt work anymore.
I tried to reinstall it multiple times and also deleted in the Document folder the Action! folder, but it still doesnt work.
Is there any way to fix it?

I hope you can help me!

Greetings,
Chris.

[radi]

Could you upload your PC DxDiag report?
To run a dxdiag report follow the steps below:

If you are running Windows Vista or higher go to your task bar.
Click on, "Start Button".
Click on, "Run".
In the pop-up window enter dxdiag and hit ok.
The DirectX Diagnostic Tool pop-up window should appear.
Click on, "Save all information tab".
Save As" window should be present.
Click on, "Save" (The file should be saved to your desktop as dxdiag)
Close the DirectX Diagnostic Tool.