I now find I can't open a new project either.
Here is the problem summary:
Problem signature:
Problem Event Name: APPCRASH
Application Name: Adobe Encore.exe
Application Version: 5.0.0.342
Application Timestamp: 4d83fd30
Fault Module Name: Adobe Encore.exe
Fault Module Version: 5.0.0.342
Fault Module Timestamp: 4d83fd30
Exception Code: c0000005
Exception Offset: 0007e2a1
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 2057
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e7
Any ideas?