Question Huge amount of modified memory?

ImA Very big noob

Commendable
Sep 5, 2016
17
0
1,510
0
How do I get rid of this? The only way I’ve found is to turn my PC off. I’m not a computer genius, but it’s really getting on my nerves. Does anyone know why half of my memory is modified? How do I get rid of it?
 

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