Allow me to LOL..... ok sorry about that
I only laugh because I did that myself (well like 8 years ago but still it was the same result)
Putting 2 antivirus scanners on one machine is just bad mojo... It can be done but its over my head (well I could do it but it would involve much reading on my part)
One thing is that at least you solved the issue and it will never happen again, the experience is quite painful, so grats on learning something and sorry about the panic it probably caused.
Now for some real fun jump over to Linux.... good god after a few hours of making things work that you take for granted on Windows... My brain hurts after today.