First of all, please make sure your server is up-to-date. If you were using an older version, that will very likely solve the issues you’re having anyway.
In newer versions of the remote, simply click the ‘Advanced’ link in the bottom left corner of the server window (on your computer), and then ‘Show log’. For MMRemote5 pick the files with todays date (both the debug and error files if both exists). For MMRemote4, click ‘Export log to file’ to get an actual file, and send this to me.
If the server isn’t running (for example if it crashes), you can find the log by locating the log file manually: