|Taskmanager and performance monitor are built in.|
See some of systernals tools also for more details.
Might see that you have enough free space on the hard drive.
See also that bios and memtest show ram as what it ought to be.
Might be time for a clean install. Rootkit tools can't even detect rootkits anymore. The only way to clean them is to do full clean install.
Playing to the angels
Les Paul (1915-2009)