The only problem I have ever had opening L4 was a "run as administrator" glitch on my netbook running Win7 Starter. That problem was fixed by following steps recommended on the Forum.
0726.Logos4Error.zip
Today I tried to open L4 and install v4.60. It is flawless on my laptop, but having problem on the netbook. My logs are attached.
4452.Logos4Crash.zip
8475.Logos4.zip