Error: Plugin init for plugin 'geoip' failed with return code: Error opening C:\Program Files (x86)\Plesk\Additional\AWStats\GeoIp\GeoIP.dat at C:/Program Files (x86)/Plesk/perl/lib/Geo/IP/PurePerl.pm line 183. (A module required by plugin might be missing).

Setup ('C:\Inetpub\vhosts\salimalborz.com\.plesk\statistics\salimalborz.com\webstat\AWStats\cgi-bin/awstats.salimalborz.com.conf' file, web server or permissions) may be wrong.
Check config file, permissions and AWStats documentation (in 'docs' directory).