You can often diagnose a problem with MultiBit Classic by looking at the Messages window by selecting the 'View | Messages' menu option.
For a more detailed description of what has happened with MultiBit Classic there is a log file to look at. This is stored in the
log directory in your user data directory and is called
multibit.log. Use a simple text viewer like Notepad or TextEdit to read it.
MultiBit Classic stores user specific data such as logs and the default
multibit.wallet in a "user data directory". This directory can be worked out as follows:
This section is for technical users proficient with accessing environment variables. These are enclosed in "" such that [APPDATA] references the APPDATA environment variable.
Try one of the following locations, remembering that you may need to enable hidden directories
[APPDATA]/MultiBit Classic. Windows (7,8):
C:\Documents and Settings\example\AppData\Roaming\MultiBit Classic
[APPDATA]/MultiBit Classic. Windows (XP and below):
C:\Documents and Settings\example\Application Data\MultiBit Classic
In OS X the user Library directory is normally hidden. Follow the show hidden files instructions to reveal it in the Finder.
[user.home]/Library/Application Support/MultiBit Classic. OS X 10.5+:
/Users/example/Library/Application Support/MultiBit Classic
In Linux the user home directory is normally visible.
[user.home]/MultiBit Classic. Ubuntu/Debian:
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