Freebie anti-virus scanner Avast falsely identified an executable associated with the popular Steam gaming platform as a Trojan on Sunday.
The snafu, which persisted for around 90 minutes, meant that SteamService.exe was wrongly identified as a Trojan (specifically Trojan-gen) and sent to quarantine. Judging by posts on Steam forums, many tech-savvy gamers hit by the problem correctly deduced that a false positive was to blame for the problem, rather than a genuine malware infection.
Read more at:
Avast false alarm hits Steam's weekend gamers ? The Register