Have your operating system been suddenly slow down and later it back to normal speed? Something like lagging?
Well, it is mainly because of the background applications which runs tiny processes. And those processes will use your CPU speed as well as your physical memory (RAM). When any of the process suddenly uses high CPU power or bite high memory, it would lag the system. This would merely be temporary because when high memory being used by a process, the operating system would try to allocate more memory for the process by killing previous unused memory.
But in some cases, you will see the system is lagging for long and I bet this is due to the high CPU usage by the process. You need to terminate the process to continue using the PC. The problem is, when you use Windows' Task Manager (ctrl+shift+esc), you will only see the process filename, such as this:
In that case, how would you know what process you need and what process you do not need? It would be confusing to decide based on just the process name. You can see the CPU and memory usage but before ending a process, you must know how much the system needs the process. For example, if you accidentally ended "explorer.exe" process then your system would reset all process which will close all your opened software and start again the explorer.exe because it is the most important process for Windows operating systems.
And, some processes would not be shown in that Task Manager because one process filename can host more than one process which the Task Manager would not show. What I am trying to conclude is, the Windows' Task Manager is not at all useful when you have issue with some 'unknown' processes.
Recently, when I was helping my friend to clean spyware on his notebook(laptop), I found "Process Explorer" software was really handy. It is just doing the task of Task Manager but instead it is more powerful in term of showing you the real-time report and advise on the critical-level of the process as well as show all hidden or sub-processes with details grabbed from the process filename itself.
The Process Explorer looks like this:
That software totally helped me to catch the unwanted process and kill them.
I suggest you to use this software or at least keep it in your machine, it would be useful one fine day when you came across some funny malware/spyware attack. You cannot run away from them if you are using lots of pirated softwares because the hackers who crack the original software and give you the pirated "patch", they would include their spyware in it which makes money for them. Otherwise, why on earth must some computer genius help you to crack cost software and give it to you to use for free?
Take my word, "Free" always comes with hidden cost and "Cracks" always comes with hidden malwares.
This is the reason why when you install some crack patches, your Antivirus software would block them. Antivirus do know how this hackers make money and the Antivirus company would not take risk on the Hackers, so they would attempt to block all the crack patches regardless they got virus/spyware or not.
Good example would be Avast Antivirus which always block hacker's patches. When you see those "Virus" warning on the patches, don't get panic and don't believe your Antivirus blindly! Just go ahead and shut-down/pause the Antivirus, then run the patches to crack your software. After installing/applying patch, immediately enable your Antivirus and when the Virus warning pops-up, proceed to let the Antivirus delete the patch file (why you need a patch file after patching/cracking your software?)
If you are someone who is damn worried about your computer's safety, then run the antivirus scan through your hard disk, run the anti-malware and check your system process. In my own experience, I suggest you to don't be freaked out about your computer safety until scanning your PC everyday after completing your work. Its lame.
Would you wash your car everyday although its not dirty? Exactly, don't keep scanning your hard disk files although its not attacked by virus or malware.
Would you wash your car periodically when you do not know either its dirty or not? Exactly, so just scan your hard disk and keep it clean periodically like monthly one or weekly once (if you download and install lots of stuffs on Internet).
You can download the software here:
http://reganrajan.com/useruploads/files/system_process_explorer.zip
I would write another blog on how I managed to clean my friend's notebook as well as my notebook more in detail.
Have fun!
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