Malware Hacktool:Win32/Keygen only partially removed how can I remove toatally?

[France24]

I have had a virus & I scanned my PC with Microsoft safety scanner (Microsoft essentials will not open) & I have the following Mailware:
Hacktool:Win32/Keygen
Trojan:Win32/Dynamer!dtc
Trojan:Win32/Orsam!rts
TrojanDropper:Win32/Eefs.gen!A
The scan results for all of these are; Partially removed.
How do I get them totally removed? I can't access Microsoft Security Essentials when I ask to scan it says Security essentials cannot scan the files When I try to open Microsoft Security Essentials nothing happens.
I have done a full scan with Microsoft safety scanner on safe mode & normal mode with the same result.
Help! Thank you

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