wierd MSN components?

can anyone help me find out what these are (ie safe or not)

MsnPUpld.dll
puren-gb.dll
ltkrn13n.dll
ltfil13n.dll
lfcmp13n.dll
lfbmp13n.dll

MsnPUpld.dll is a MSN Photo Upload Tool.
Manufacturer: Microsoft Corp.
www.microsoft.com

I suggest you Google the rest and unless your absolutely sure, don’t delete any of them.

Yeah,I think they are all to do with VistaMSNPUplden-gb.cab,as Bob said.a photo upload tool.
http://www.siteadvisor.com/sites/hotmail.com/downloads/8065728/
Don’t worry