Virus Infestation Problem

This morning I ran Malwarebytes and SuperAntivirus as I do periodically. SuperAntivirus didn't find any major threats but Malwarebytes came up with a list of files affected by a PUP virus.My next step would normally be to press Remove then restart the computer as requested to remove all remaining traces. The same thing happened about two weeks ago. After pressing Remove I restarted the computer as advised, only to find that Windows 8 wouldn't load. I tried everything, including trying to boot up with the installation disk and a recovery flashdrive. Nothing worked. Neither the disk nor the flashdrive were recognized. I ended up having to take it to a technician who took several days to fix the problem. Currently I have Malwarebytes up but I am afraid to press Remove and even more afraid to restart/switch off the computer. Can anyone help?

You will notice from the log below that Avast is shown as off. For some reason it switches off without warning so that I have no protection.

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8 Pro, 32 bit
Processor: Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz, x64 Family 6 Model 15 Stepping 6
Processor Count: 2
RAM: 3068 Mb
Graphics Card: Intel(R) G41 Express Chipset v2, 1406 Mb
Hard Drives: C: Total - 176587 MB, Free - 132646 MB; D: Total - 299999 MB, Free - 225207 MB; L: Total - 305241 MB, Free - 187114 MB;
Motherboard: Gigabyte Technology Co., Ltd., G41M-Combo
Antivirus: avast! Antivirus, Disabled

Attached Files

Malware log.txt (4.7 KB)