I found this error log files in C:/Alfresco/tomcat/logs . When I start the tomcat server manually from the alfresco community manager tool, 3 files are creating those are:
file name :alfrescotomcat-stderr.2015-06-02
2015-06-02 13:30:45 Commons Daemon procrun stderr initialized
java.lang.NoClassDefFoundError: Main
Caused by: java.lang.ClassNotFoundException: Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Exception in thread "main"
file name: alfrescotomcat-stdout.2015-06-02
2015-06-02 13:30:45 Commons Daemon procrun stdout initialized
file name:commons-daemon.2015-06-02
[2015-06-02 13:30:45] [info] [ 5192] Commons Daemon procrun (1.0.15.0 32-bit) started
[2015-06-02 13:30:45] [info] [ 5192] Running 'alfrescoTomcat' Service…
[2015-06-02 13:30:45] [info] [ 5384] Starting service…
[2015-06-02 13:30:48] [error] [ 4044] FindClass Main failed
[2015-06-02 13:30:48] [error] [ 5384] Failed to start Java
[2015-06-02 13:30:48] [error] [ 5384] ServiceStart returned 4
[2015-06-02 13:30:48] [info] [ 5192] Run service finished.
[2015-06-02 13:30:48] [info] [ 5192] Commons Daemon procrun finished
FYI: I re-installed the Java Already even though the same errors are found.