Windows 7: Random Forced Restarts, BSOD's , and instant lockup on Dishonored

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Hello ,
I cant really describe when the problems started. However, when returning from a trip to help move my grandparents into a nursing home my wife called. She said that my computer was acting strange and she couldn't do the bills.

When i came home .. It was worse than i thought.

The computer will boot up everytime.
The mobo screen will pop up and show all its related info with no errors.
Now it will either decide to force restart... or continue on with booting.
when it force restarts it d/c's my monitor. like the screen says no input.. while ,my computer continues to run.
If it boots up all the way normally... i will get to the login screen. i enter password and it will either Blue screen or let me through.
The BSOD are different, i have the last two photographed on my phone that i could post.
if i get on the pc. it will run fine for about 10 minutes avg. then it will force resteart. Always....



Now my wife has told me the only thing that has happened... is that she plugged in her alfa wireless usb adapter thing to get better signal.
and that she installed dishonored for me. However whenever she launches it. it will lockup and end in a force restart.
Those are the most recent things that have been done to my pc.
I dont know where to start or how to get much done. ANY help is welcome, i will try as much as i can.
Thanks,
Dom

If you can get in, do a system restore. If not do it in safe mode.

A better signal then what ? What is dishonored, a game ?

I just booted it up and system restore has been disabled. the option to turn it on is grayed out.
And yes a better wireless signal. When im home i use the Ethernet cable for my work laptop and my desktop take the wireless.
She believed that the new adapter she plugged in would boost the signal from 3 bars to 5. Being that we live in a older wooden apartment the router already has a booster pack installed on the steps so i can get signal in my office.
Yes sir, Dishonored is a game.
I have also been able to uninstall the program used by the usb adapter and i unplugged it and uninstalled its driver.
After a Blue Screen i got back on and uninstalled the game as well.

Some program on your pc has disabled system restore. Do you have tuneup utilities or any other so called pc enhancement programs installed ?

Run full scans with Microsoft Security Essentials and Malwarebytes.

I have winutilites , which uses auto optimize. i also have gboost which i dont know if that would cause any isssues.
i get always about 45 percent with malwarebytes get a blue screen...

it reads
Stop : 0x0000007F (0x00000008, 0x801DF000, 0x00000000, 0x00000000)
then says dumping to physical memory complete

Just in ... i ran a quick scan and i got 2 threats detected...
They originated from a flash drive my friend let me barrow the other week.
After telling my friend his drive contain viruses, he scan and removed them from his pc as well.
Microsoft essentals is downloading now on this laptop and i will install it and scan on my desktop when it is done.
I have decided to take the desktop off the internet... would that at all help ?
If my rig will cooperate i will attempt another full scan on malwarebytes.
Thanks for hanging in with me. I shall keep you updated.
Thanks, Dom

No, leave it connected. You need to update Malwarebytes and MSEs.

okay , malwarebytes updated and finally ran a full scan ... 0 found
mses is running now
i also got chugging McAfee to do something useful and scan... no idea on that yet.

all scans came back with 0 threats.

Still bluescreening?