If you Computer slow down or Freezes

 If you Computer slow down or Freezes at times...What to do?

 

 Use CCleaner to clean your computer, then run RKILL, Please see review about  Rkill  to detect any unwanted malware service running on the background. 

Scan your machine for Malware with MalwareBytes then run Avast Anti Virus.  These applications are free of charge. 

If after cleaning the machine nothing happens then download and run  TDDSKiller from Kaspersky Labs. to look for a hidden rootkit.

Please run also a defragger such as Auslogics Disk Defrag

P.S A rootkit is a program or a program kit that hides the presence of Malware in the system

Source(s):

http://www.filehippo.com/download_ccleaner (CCleaner)

http://www.bleepingcomputer.com/download (Rkill)
http://www.avast.com/en-us/index (Avast Antivirus)
http://www.malwarebytes.org/ (MalwareBytes)

http://usa.kaspersky.com/downloads/tdsskiller (Tddsskiler)