Are these viruses?

microsoft.net Framework 1.1

and

microsoft.net Framework 1.1 Hotfix (kb928366)

and

microsoft.net Framework 2.0

and

microsoft WSE 2.0 SP3 Runtime

and

windows installer 3.1

Or should i removed any of these?

Thank you.

Are these viruses?windows vista

No viruses - belong to the Windows operating system accessories. I suggest you leave them installed.

wdw

Are these viruses?windows defender internet explorer

No those are not viruses, and you probably shouldn't remove them, if you do, it could affect the functioning of other programs on your computer because all of those are used by a lot of different programs.
all windows files best to leave them alone
They're not bugs, they're all key parts to the Windows operating system.