Icons not working

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Hello,

When i click on WIFi\Battery\Sound or even menu nothing happens.
Normal icons like Chrome IE and Explorer work
Following icons :
Start
Search
Multi Tab
Sound
Wifi
Battery
Notifications
Date
Don't work
Usually it pops up a small menu that i can use.
Left click does not work but right click does open a other menu.

Now i need to go to the trouble of going thru : Explorer> My PC > Configuration> Network> Adapter> Connect > And then it opens Windows 10 Settings menu

OS: Windows 10
Latest Drivers : Yes
Updated from Windows 8 > 8.1 > 10
Problem occurred after using Iobit System Care
Restarted Explorer : Yes
Reboot : Yes

While im here other problem:
Windows 10 Loves eating my RAM.
Sometimes i have 6 GB cache
6GB of RAM it even forces me to close the one program im running
Chrome with 1 tab Or tabs crash
Usually happens after using the computer for more then 3 hours.
Im using it now for 1 hour and i have 2.5GB in Cache