Howdy Tiffer,
As I did a quick look though your log I seen this
SPMSMON.EXE. This can cause problems with your "My Computer" Opening. I will look hrough it more now but in the meantime can you disable that and see if it helps your peoblem.
Otherwise your log looks clean besides this you can have
hjt clean
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)