Thank you very much for your help!!

Here is the log from Delfix

DelFix v1.010 - Logfile created 11/05/2015 at 14:09:30

Updated 26/04/2015 by Xplode

Username : Tony - TONYDESKTOP

Operating System : Windows 8.1 (64 bits)

~ Activating UAC … OK

~ Removing disinfection tools …

Deleted : C:\FRST
Deleted : C:\AdwCleaner
Deleted : C:\Users\Tony\Desktop\Addition.txt
Deleted : C:\Users\Tony\Desktop\aswmbr.exe
Deleted : C:\Users\Tony\Desktop\aswMBR.txt
Deleted : C:\Users\Tony\Desktop\Fixlog.txt
Deleted : C:\Users\Tony\Desktop\FRST.txt
Deleted : C:\Users\Tony\Desktop\FRST64.exe
Deleted : C:\Users\Tony\Desktop\MBR.dat
Deleted : HKLM\SOFTWARE\AdwCleaner

~ Creating registry backup … OK

~ Cleaning system restore …

Deleted : RP #75 [Scheduled Checkpoint | 04/25/2015 11:58:58]
Deleted : RP #76 [Scheduled Checkpoint | 05/02/2015 16:56:19]
Deleted : RP #77 [Installed StudioTax 2014 | 05/04/2015 18:18:15]
Deleted : RP #79 [Restore Point Created by FRST | 05/08/2015 15:05:34]

New restore point created !

~ Resetting system settings … OK

########## - EOF - ##########