1. It is russian win 1251 it looks to like
2. you should be able to import fine
3. You need to have coppermine installed. You need to have Photopost installed. So the same directory is not going to work. You then run the importer and fill in the required information and it should work fine. The paths needed are to the coppermine albums directory and photopost data directory and are server paths that is needed to grab the files and copy them to photopost.
4. my photo post photopost share at myphotopost.com