system
3
The scan gets stuck at “C:\WINDOWS\system32\drivers” 
Here’s the report up to that:
aswMBR version 0.9.8.986 Copyright(c) 2011 AVAST Software
Run date: 2011-09-18 15:02:42
15:02:42.703 OS Version: Windows 5.1.2600 Service Pack 2
15:02:42.703 Number of processors: 1 586 0x2C02
15:02:42.703 ComputerName: HOME UserName:
15:02:43.281 Initialize success
15:02:44.734 AVAST engine defs: 11091800
15:02:48.625 Disk 0 (boot) \Device\Harddisk0\DR0 → \Device\Ide\IdeDeviceP2T0L0-a
15:02:48.625 Disk 0 Vendor: SAMSUNG_SP0842N BH100-35 Size: 76319MB BusType: 3
15:02:50.656 Disk 0 MBR read successfully
15:02:50.656 Disk 0 MBR scan
15:02:50.656 Disk 0 Windows XP default MBR code
15:02:50.671 Disk 0 scanning sectors +156296385
15:02:50.703 Disk 0 scanning C:\WINDOWS\system32\drivers
16:49:32.609 Disk 0 MBR has been saved successfully to “C:\Documents and Settings\Fernando\Mis documentos\MBR.dat”
16:49:32.609 The log file has been saved successfully to “C:\Documents and Settings\Fernando\Mis documentos\aswMBR.txt”