Me same Problem with Windows 7 (win7)
Starting apex as admin
Code: c0000005 (Access violation)
Version: 1.3.9 (Dec 5 2010)
Major: 6
Minor: 1
Build: 7600
SP: 0
Type: 1
Time: 2010-12-17 14:53:05
TTH: JO3DP27J7KPF73L5R7FHOUVZRC2GH5SMKQYHLMA
how can i solve it