OTL produced this log:
OTL logfile created on: 1/29/2013 2:48:10 AM - Run 7
OTL by OldTimer - Version 3.2.69.0 Folder = C:\Documents and Settings\Philip\Desktop
Windows XP Home Edition Service Pack 3 (Version = 5.1.2600) - Type = NTWorkstation
Internet Explorer (Version = 8.0.6001.18702)
Locale: 00000409 | Country: United States | Language: ENU | Date Format: M/d/yyyy
2.00 Gb Total Physical Memory | 1.36 Gb Available Physical Memory | 67.87% Memory free
3.35 Gb Paging File | 2.87 Gb Available in Paging File | 85.53% Paging File free
Paging file location(s): C:\pagefile.sys 1536 3072 [binary data]
%SystemDrive% = C: | %SystemRoot% = C:\WINDOWS | %ProgramFiles% = C:\Program Files
Drive C: | 465.76 Gb Total Space | 255.63 Gb Free Space | 54.88% Space Free | Partition Type: NTFS
Drive D: | 6.01 Gb Total Space | 0.00 Gb Free Space | 0.00% Space Free | Partition Type: UDF
Computer Name: DILBERT | User Name: Philip | Logged in as Administrator.
Boot Mode: Normal | Scan Mode: All users
Company Name Whitelist: Off | Skip Microsoft Files: Off | No Company Name Whitelist: Off | File Age = 30 Days
========== Custom Scans ==========
< HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer >
"Type" = 288
"Start" = 3
"ErrorControl" = 1
"ImagePath" = %systemroot%\system32\msiexec.exe /V -- [2006/02/28 07:00:00 | 000,077,312 | ---- | M] (Microsoft Corporation)
"DisplayName" = Windows installer
"ObjectName" = LocalSystem
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer\Security]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer\Enum]
< MD5 for: MSIEXEC.EXE >
[2006/02/28 07:00:00 | 000,077,312 | ---- | M] (Microsoft Corporation) MD5=4236AE241F193F58ADAB141CECCFD5F4 -- C:\WINDOWS\system32\msiexec.exe
[2008/04/14 04:42:30 | 000,078,848 | ---- | M] (Microsoft Corporation) MD5=5879D691E842574A20FE63817CB76DF9 -- C:\WINDOWS\SoftwareDistribution\Download\9866fb57abdc0ea2f5d4e132d055ba4e\msiexec.exe
[2008/04/14 04:42:30 | 000,078,848 | ---- | M] (Microsoft Corporation) MD5=5879D691E842574A20FE63817CB76DF9 -- C:\WINDOWS\system32\dllcache\msiexec.exe
< MD5 for: MSIEXEC.EXE-2F8A8CAE.PF >
[2013/01/29 02:38:16 | 000,031,632 | ---- | M] () MD5=1A3CE3C17572730A73A8F615E001A41B -- C:\WINDOWS\Prefetch\MSIEXEC.EXE-2F8A8CAE.pf
< End of report >