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#31
Just for testing, refer to post #7 about sptd.sys; if it does not resolve your problem, you can always re-install Alcohol 120% afterward.
Also, have you run through the steps in Troubleshoot Application Conflicts by Performing a Clean Startup to determine if it is an application conflict? (Do this after disabling Driver Verifier, which you can do by typing verifier /reset into an elevated command prompt)