Now You might want to:
- Do "sfc -scannow" cmd in command prompt to check system files.
- Scan rest of the files on your pc with Malwarebytes, HitmanPro, SuperAntiSpyware or something else.
all while in safe mode though
Scan for malware/viruses, if your PC is clean then it's a faulty driver. Try reinstalling / updating them - most basic ones are sound, network and GPU drivers (network ones are usually the ones being shitty)
the weird thing, if i would count up all the sources it wouldnt even come near that 26.2 gb of ram.. the leak would not be shown in the task messenger then.
this is how it looks idle (high to low) https://gyazo.com/4eb986e94e5b1728c5c2415a56006848
and it would look pretty much the same when its using that much,,