Sorry for delay, I was travelling.
# Step 1 #
Download the Ccleaner Slim and install the software
Go to Cleaner > Run Cleaner and wait until ccleaner finish.
Next, go to Registry > Scan for Issues > Fix selected issues...
Restart the computer.
# Step 2 #
Download Auslogic Disc Defrag
Install the software and run it.
Next, select all your discs and click in the Desfragment option
Wait until Auslogic Disc Defrag finish the defragmentation and reboot your compute