Try the steps below to see if they will help resolve the issue.
Open up a run dialog by holding down the Windows Key and pressing R. In the "Open" field, enter "services.msc". Look for "Windows Search" and "Superfetch.
Go to each of these entries. Right click on one and select "Properties." In the dropdown box labeled "Startup type," choose Disabled. After leaving the properties window, press "Stop" in the upper left corner. Do this for both.
If Windows 10... turning off notifications sometimes helps...
Press [Windows] and [ i ] and then type in notifications in find a setting. Select notifications and action settings. Turn all the options to off and then restart.