[MadMaks]

Madhaterik, Попробуйте руками удалить остатки

1. Click Start → Run, type regedit and click OK. 2. Find and delete the following registry keys: -HKEY_CURRENT_USERSoftwareESET -HKEY_LOCAL_MACHINESOFTWAREESET 1. Find and delete the following registry value: -HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRunegui 2.Click Start → Control Panel →Folder Options → View tab → select Show hidden files and folders. Vista Users: click Start → Control Panel → Appearance and Personalizaton → Folder Options →View tab → Show hidden files and folders. 3. Navigate to the C:\WINDOWS\inf folder and delete the INFCACHE.1 file. 4. Restart the computer. Once the computer has restarted, delete the following folders: C:\Program Files\ESET C:\Documents and Settings\All Users\Application Data\ESET C:\Documents and Settings\%USER%\Application Data\ESET Vista Users must delete the following folders: C:\Program Files\ESET C:\Program Data\ESET

Если и это не поможет, то можно попробовать (НО в крайнем случаи) запустить установку Касперского отключив проверку совместимости.
Подробнее читайте на сайте Касперского