msaada pls irfanview na riot pluglns kuinstall

[Kitaeleweka]

habari ya asubuhi wakuu.
Nimedownload irfanview na kuinstall nikadownload riot plugins lakini kila nikijaribu kuresize picha inaniletea pop up inayosema "cant load plugln RIOT.DLL
please install or update pluglns from irfanview homepage."
naomba kueleweshwa nifanye nini maana riot ninayo na irfanview nishainstall?