You can leave all those items checked in adwcleaner, they can all be deleted. Attached is a screen shot of the combofix page. It explains how to use it and provides a download link. Yours should look like that. run adwcleaner then combofix.
After the above you can get another download also:
Please download
aswmbr.exe.exe to your desktop.
Right click and "run as admin" on the icon
For the question: Would you like to download latest Avast! virus definitions?" Click YES to download the additional files..then
Click the "Scan" button to start scan.
Once the scan is done click the"Save log", save it to your desktop and post it in your next reply.