Boot to Safe mode and see if you can locate this Steam and stop it from auto starting. Sounds like it may be too much for your machine.
jholland1964
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Hello,
Try starting it in safe mode and running your antivirus program from there. As the computer starts to boot start hitting the <F8> key and you will get options for starting windows. One of the options is Start Windows in Safe Mode. This will load the minimum drivers and apps and get windows up and running. Let us know what happens and we can work from there.
rch1231
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