After you do the Hijackthis Scan and Save log.
You would simply come back here and reply to me like normal, but need to attach the log file so...
After selecting reply you can either click the icon, above where you type, that looks like a paperclip.
Or
you can scroll down to below submit reply buttons, and look for manage attachments
A box will pop up -> Select Browse -> Then navigate to wherever you saved the log, by default it should be C:\Program Files\Trend Micro\HijackThis\hijackthis.log
After you select the log click upload
============
1) Click Reply
2) Click paperclip or Manage attachments
3) Click Browse
4) Navigate to the log
5) Click upload after selecting log file