Here are some problems users found:
“The Hazards of Wine
“The problems one is likely to encounter with Linux tend to pale by comparison with the security problems one is likely to have using Windows. Unless, that is, you’re using Wine.
“Indeed, alert blogger fsufitch recently uncovered a situation in which Wine allowed Linux to get infected by a virus targeting Windows.
“”Wine emulates Windows well enough to get infected by a Windows virus,” fsufitch wrote — noting, however, that the observed virus didn’t work as intended. ‘Color Me Unworried’
“”So WINE can get a virus intended for Windows, if you jump through some hoops to help the virus along,” wrote AliasMarlowe on Slashdot, where bloggers took quick notice of the news. “Color me unworried.”