You are welcome and great job of following suggestions.
Regarding pccsmcfd.sys 26-08-08, what do you mean when you say that you can't do anything? Can you uninstall the Nokia software? You can rename this driver to .old
I don't see a need to run the JC Griff tool again unless you get another BSOD. Then we would like for you to run it again since you have had a system change - uninstalling SP1.
Verifier needs to run for about 36 hours of computer use and you use your computer normally while Verifier is running. Here is a tutorial on Driver Verifier: Driver Verifier - Enable and Disable
MSE is every bit as as good as Avira according to various tests by different third party testers. What MSE lacks is an email scanner. You can try Avast. Avast generally works well with Win 7. In fact, it can run simultaneously with MSE without conflict. This is an exception to the rule of never running but one antivirus.
Thank you for reporting back with what you have done.