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Archived:Error message 'Cannot start ECMT Manager' in S60 3rd Edition Emulator (Known Issue)
If a system has only the latest Java Runtime Environment (JRE) version 6 installed, an attempt to open the Tools > Preferences menu in the emulator may fail with the "Cannot start ECMT Manager" error message.
Check that the version information of the JRE exists in the config.properties file used by the ECMT framework.
Open the following file in a text editor:
and add the correct version of the installed Java Runtime at the end of the epdt.java.version.start property.
For example, in a system with JRE version 6 installed, add ",6.0" at the end of the line:
Then restart the emulator.