Random completed quest/unknown money in inventory

[Griz]

Same thing has happened to me. Here are the quests that got bug-completed again and the time when it happend:

Spoiler

Completed Quest: Send them back to Valhalla! 2013-08-06 23:49:19
Completed Quest: Can't Hit a Moving Target 2013-08-06 23:49:19
Completed Quest: Time to retire the veterans 2013-08-06 23:49:19
Completed Quest: Peasant Envy 2013-08-06 23:49:19
Completed Quest: Whalers Ragnarok 2013-08-06 23:49:19
Completed Quest: Investigation Time 2013-08-06 23:49:19
Completed Quest: Heads, spikes, walls 2013-08-06 23:49:19
Completed Quest: Dead at the Top 2013-08-06 23:49:19
Completed Quest: Farmland Demolition 2013-08-06 23:49:19