Windows XP SP3, NOD 32 3.0.695.0 I recently noticed a log entry that has concerned me because it appears to have originated from within Windows itself I would appreciate some guidance on how it may have occured, how serious it is and what I should do I wondered also whether it may be related to my modifiing my router to enable uPnp and installing Serviio Media Player as a Windows Service Many thanks 08/02/2012 18:33:28 Real-time file system protection file C:\System Volume Information\_restore{5A5AC78C-CF05-4E30-AB69-04885E6DF016}\RP1176\A0155510.exe a variant of Win32/InstallIQ application cleaned by deleting - quarantined NT AUTHORITY\SYSTEM Event occurred on a file modified by the application: C:\WINDOWS\System32\svchost.exe.
Potentially unwanted / unsafe applications are not malware in any way. For a definition of potentially unwanted applications, refer to this KB article. It's up to you if you enable the detection or not.