Download System Repair Engineer and save it to your desktop.
Scroll down the same page and download the File Digital Sign Verify Plug-in as well (this needs to be extracted to the same folder as SRE)
Extract all files to the same folder on your desktop then double click on the SREngLdR.exe icon to run the program
Select "Smart Scan"
make sure the "Verify the digital signature of process modules" box is checked
Click on the [Scan] button (this scan can take some time to complete)
When finished, click on the [Save Reports] button & save the log to Desktop
Attach the log in your next reply
You may have to rename SREngLOG.log to SREngLOG.txt to upload it.