There are s few things to point out on the Speccy Report. It looks like you have 2 antivirus programs enabled. Using 2 programs puts you at risk as they will cancel out each other leaving you less protected. Your CPU and HDD temps were very hot. You have 4 HDDs, 2 of which weren't identified, one of which is failing. Almost all the partitions have only 1% free space. Windows needs a minimum of 10% free space to operate correctly. The 2 that were identified are a Western Digital and a Seagate. Getting another HDD to move files onto may relieve the overheating some. The one that's failing appears to be a 3TB. What do you have for a PSU? Brand name, model and watts are very important.
EDIT: You should also get a can of compressed air and blow out your vents and CPU fan.