Cheat Engine

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Hey so I recently cleaned out a virus that I got from installing DivX Player (http://www.cucirca.com/2007/05/27/watch-heroes-online).

The virus definitely isn't running on my comp anymore; it was stealthing (melding with explorer.exe?) before and constantly writing certain registry values, but that's stopped. Also msconfigs-->startup has nothing abnormal checked and all the visible/invisible processes I've got running have been accounted for.

So yeah there's just one aftereffect that won't go away: 3 executables aren't working. They are:
-taskmgr.exe
-ollydbg.exe
-loader/launcher for a certain game I want to play ):

I've tried a large variety of other programs, and they all work:
-CE works
-minesweeper works
-MS office programs works
-other online games work
-msconfig, cmdprompt both work
-VC++ (and its debugger) and GMER (which is basically task manager with added functionality) both work
-hack injectors work
-game client that corresponds to the launcher which doesn't work is working, but I can't play as I need the launcher to patch up

Here's what happens when I try to run one of the three aforementioned programs:
WINDOWS\system32\scvhost.exe runs
WINDOWS\system32\scvhost.exe immediately closes
*No sign whatsoever of the executable that I ran
**This actually only happens like 20% of the time, the rest of the time nothing happens... maybe this is because it runs/closes too fast to register most of the time?

Normally what would happen:
WINDOWS\system32\winmine.exe runs
[close minesweeper window]
WINDOWS\system32\winmine.exe closes

As you can see the 3 executables never run at all, they just start up scvhost.exe, which then closes. Note that I've got a normal number of scvhost.exe's running already.
Once again, this problem applies to virtually no programs other than the 3 I mentioned above, which seems - impossible - to me X.X

This problem's been highly vexing; been trying to fix it for a while and getting nowhere so I thought I'd turn to CEF in hopes of an solution.

All help/suggestions are highly appreciated!

EDIT: they work if I use CE's Create Process button to start em up o.O I don't want to have to do that every time though..

[hcavolsdsadgadsg]

you definitely did not get a virus from divx unless you're retarded and downloaded it from a place other than their site.

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[ShadowHopeful]

what's that certain game you want to play?

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[Micah]

When you right click on these there isn't a start option is there?

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[Cryoma]

Run as administrator, run in compatibility mode, etc.

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[Domoo]

Just reformat it would be the easiest solution.