Thanks for the quick reply. Are the settings files fully removed upon an uninstal (could it be that the settings file is damaged in some way which means that certain settings aren't retained).
The string is the default one, the only config settings changed is the directory where the file is saved to.
Config settings The generated file (filetype is stated as .bmp and the filesize of 3.51 MB rather than the normal ~150KB suggests this is true).
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