A. If Voice Recorder HD quit automatically when you try to open then follow following steps –
Step 1: First backup all existing voice memo files from iPhone/iPad to computer. Read this article how to transfer files to computer.
Step 2: When files transfer complete remove to Voice Recorder HD application from you iPhone/iPad home screen.
Step 3: Reinstall form App Store and open it. If the problem solve go to next step. If not please restart your iPhone/iPad.
Step 4: See this article to restore all voice memo files to iPad/iPhone.
Note: Don’t avoid “Step 1” before remove Voice Recorder HD application from iPhone/iPad.