Vista acting up

[sahanna]

i recently got more than 2-3 more error on Vista regarting about

The Service Control Manager tried to take a corrective action (Reboot the machine) after the unexpected termination of the DCOM Server Process Launcher service, The Plug and Play service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be taken in 60000 milliseconds: Reboot the machine.

i try using Malwarebtyes to remove it but can not found the acutal problem

Malwarebytes' Anti-Malware 1.44
Database version: 3606
Windows 6.0.6001 Service Pack 1
Internet Explorer 7.0.6001.18000

2010/1/20 下午 08:20:40
mbam-log-2010-01-20 (20-20-40).txt

Scan type: Quick Scan
Objects scanned: 106203
Time elapsed: 12 minute(s), 0 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 6
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CLASSES_ROOT\Interface\{06f2b96b-fdc0-473b-82b1-180fd5456332} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\Interface\{aa9d9c85-efa6-49f5-ba66-1bf329f0206a} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\Typelib\{995ef898-7c18-4082-bed9-fc0340725f11} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ModuleUsage\C:/Windows/Downloaded Program Files/RegExe.ocx (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{b596344e-f60f-42c2-8640-5954eedbd428} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{b596344e-f60f-42c2-8640-5954eedbd428} (Trojan.BHO) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Windows\Downloaded Program Files\RegExe.ocx (Trojan.BHO) -> Quarantined and deleted successfully.

this is the most current scan i made to find the error the error above has been removed yet im still getting these DOMC error on my computer that is making me restarting my computer every 30min or so