Tomcat 7 service manual start, stops immediately on Windows 7

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http://serverfault.com – I have just performed a fresh installation of Tomcat 7 (apache-tomcat-7.0.30) using the 32-bit/64-bit Windows Service Installer available here, on my local Windows 7 PC. Yet, when I go in Service to start it manually, it starts and stops immediately after displaying the following message: I have noticed that each time I try, I get the following lines in my tomcat-7-stdout log: 2012-09-16 18:41:12 Commons Daemon procrun stdout initialized Error occurred during initialization of VM java/lang/NoClassDefFoundError: java/lang/Object Anyone knows what is happening and how to solve it? (HowTos)