Tuhia he whakamāramatanga mō tēnei rārangi - I tuhia e ia tana hōtaka antivirus tuatahi i te tau 1988, e rua tau i muri i te putanga mai o te huaketo rorohiko tuatahi. I uru ia ki te pakihi i timata me tana hoa Eduard Kučera i te mutunga o te kawanatanga Communist i te 1989
, i tana whakatū i a Alwil. I nga tau moata o te 1990, i whakaingoatia te kamupene ko Avast Software, i runga i tana hua rongonui, Avast Antivirus. Kaore i roa ka aro atu ia ki te whakataetae kaha, ina koa mai i Symantec, i whakamahi i te kaupapa here utu kaha i roto i te tono ki te arahi i te maakete. Hei whakautu, i tango a Baudiš me Kucera i tetahi rautaki tiaki tino nui, e tuku ana i tana hua mo te kore utu. Ko te hua, i puta a Avast hei kamupene anti-virus nui rawa atu i te ao.