You must download it to and run it from your Desktop
Physically disconnect from the internet.
Now STOP all your monitoring programs (Antivirus/Antispyware, Guards and Shields) as they could easily interfere with ComboFix.
Double click combofix.exe & follow the prompts.
When finished, it will produce a log. Please save that log to post in your next reply.
Re-enable all the programs that were disabled during the running of ComboFix..
Note: Do not mouse-click combofix's window while it is running. That may cause it to stall.
CF disconnects your machine from the internet. The connection is automatically restored before CF completes its run. If CF runs into difficulty and terminates prematurely, the connection can be manually restored by restarting your machine.
Run Combofix ONCE only!!
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See if you can run any updates now. If you can, update MBA-M and run a full scan and remove what it finds, reboot and post it's log, as well as the combofix log.