There are 3 items left in my log that I don't know what to do with… I know they're not malware, but I'm also trying to delete anything that's not necessary to the functioning of my computer.

Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/…b?1139513020014
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdat…b?1140124110748
O23 - Service: ThinkPad Modem Service (ThinkPadModemService) - IBM Corporation - C:\WINDOWS\MWW32\MANAGER\MWMDMSVC.EXE

Thanks!