Completely uninstall NVIDIA video driver and software normally. Reboot. Install latest driver from NVIDIA.com.
When you're done with those things, download CPU-Z and run it. Take a screenshot of 1st tab, one of Memory tab, and one for each stick of RAM of the SPD tab, and attach them to a new post, please.
ASUS DirectCU II HD7790-DC2OC-2GD5 Radeon HD 7790 2GB 128-Bit GDDR5
Sound Card
MOTU Traveler firewire interface
Hard Drives
1 Seagate Barracuda SATA II system/boot drive 80 GB, 2 Western Digital hdds - 1 is SATA II Caviar Black 1 TB attached to card (assorted media, page, temp), other is SATA I 420 GB (games, media, downloads)
PSU
Thermaltake 450W
Cooling
stock Gateway cooling, extra large fan in rear of case
here are the screenshots you asked for. done installing the two files you asked for. I turned ESET off and scanned my system with windows defender and it says no malware detected.
Also, the issue is because you are using mismatched memory. Take one of the sticks out of the machine. I suggest removing EMAXX then putting other in slot 1.
ASUS DirectCU II HD7790-DC2OC-2GD5 Radeon HD 7790 2GB 128-Bit GDDR5
Sound Card
MOTU Traveler firewire interface
Hard Drives
1 Seagate Barracuda SATA II system/boot drive 80 GB, 2 Western Digital hdds - 1 is SATA II Caviar Black 1 TB attached to card (assorted media, page, temp), other is SATA I 420 GB (games, media, downloads)
PSU
Thermaltake 450W
Cooling
stock Gateway cooling, extra large fan in rear of case