Laptop freezes shortly after booting Win7

Avast indicated I have viruses. I have been running virus scans through SARDU and trinity rescue kit (with no effect so far) but haven't been able to run any programs within windows as it freezes. So I don't know how to acquire the mbam logs or hijack this logs. Does anyone know how to run these programs in a bootable environment? Or any other suggestions.. Safe mode is exactly the same, freezes completely shortly after booting.
 
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