Being asus it will have a built in recover parition you have to hit f9 the second the screen lights you have to be very quick as it will resume if your not quick enoughtsee How to restore ASUS laptop to factory settings - YouTube
I wonder what apps you have one app sky news when you goto add remove it caches 12 gig of space worth checking when you click on it it tells you the cache and you can delete it other apps may be doing the same
See if the new official of firefox solves the problem out on the 14th any beta is dodge its there to test and find bugs the bestfree bomb proof cleaner is Download Free UnCleaner, UnCleaner 1.0 Download
Your running FF57 which is in effect a beta version so you can expect a few problems the full versions not out until the 14th November. You have ccleaner on your system you may have heard it was infected by malware so I would remove it. You also need to check your drives as its showing errors...
This will give us and idea post BOTH files it produces
Please download and save FRST 64bit or FRST 32 bit to your Desktop.
Right click to run as administrator (XP users...