If you have received the error message i.dll there, it is possible you have a registry error that can easily be fixed by ZookaWare PC Cleaner. In that case, you can simply run ZookaWare PC Cleaner, and it will resolve the error and every other registry error on your computer.
However, i.dll is also linked with a number of known Trojans and other dangerous threats to your computer. ZookaWare PC Cleaner will not rid your computer of viruses if your computer has indeed been infected. I.dll has been linked with the following viruses and trojans.
2 PWS-OnlineGames.bl [McAfee]
2 Trojan-PSW.OnLineGames!sd5 [PC Tools]
2 Bloodhound.Packed.Jmp [Symantec]
1 Trojan-PSW.Win32.OnLineGames.ajhv [Kaspersky Lab]
1 Mal/EncPk-CE, Mal/EncPk-DU [Sophos]
1 VirTool:WinNT/Vanti.gen!C [Microsoft]
Trojan-PSW.Win32.OnLineGames.puf [Kaspersky Lab]
4 Trojan-PWS.OnlineGames.ARun [PC Tools]
4 TSPY_ONLINEG.CAJ [Trend Micro]
4 Generic.dx [McAfee]
2 PWS-Gamania.gen.a [McAfee]
2 PWS-LegMir.gen.k.dll [McAfee]
2 PWS-Mmorpg.gen [McAfee]
2 TSPY_ONLINEG.OLA [Trend Micro]