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Expert Author Akash Pruthi

In today's world,Computers have become a part of our lives which are very useful for keeping the personal and professional data safe and secure. If you want to make certain that a PC continues to work fine, then it is necessary for you to perform some maintenance activities.
There are loads of tools available in the market today, like computer maintenance software and other tools which will help you to keep your computer safe and secure.
Following the given steps, you can maintain your computer and it also helps in increasing your PC speed and performance.
1) Defragmentation:
Defragment your PC at least once in a week. Your computer breaks all your files into too many pieces and scatters them on your hard drive. Defragmentation helps in collecting those scattered pieces and organizes them in a neatly manner and gives you a little more space. It allows storage to be used more conveniently and also helps in reduces data access time. Some Operating System automatically do the defragment while some of them requires a special UTILITY for this purpose. Windows XP comes with a utility called Disk Defragmenter.
Go to Start>>All Programs>>Accessories>>System Tools>>Disk Defragmentar and then a dialogue box will open. There you can see a button name "Defragment". Click on it and the defragment process will begin. It will take time. When the process will complete, you will see some get some extra free space which was allocated by all the junk files in your computer.
2) Registry Cleaning:
One of the most essential part of the windows is Registry which contains all the details about your computer like where the programs are stored, list of all Start menu shortcut.Basically, everything you do on computer is recorded somewhere in the registry.It acts like a database which contains all the information about your PC.
There are many things which cause registry errors. If you browse the internet very often and download various programs, audio files or games then your computer opens a gate for Malware such as Trojans, worms and viruses. All these malicious programs add embedded keys within the registry and these keys cannot be deleted manually and can cause many serious problems to your computer. It may damage your hardware and even prevent your computer from booting.
The best way to fix these registry error is to download a good registry cleaner. It is recommended to clean your registry once in a week and also every time you uninstall any software especially freeware.
Go to Start Menu>>>All Programs>>>Accessories>>>System tools>>>Disk Defragmenter and click on Defragment. It will defragment your hard disk.It will clean your system and remove all the bad sectors on your system.
3) Good Anti-virus:
If you want to run your PC smoothly then you have to install a good Anti-virus which will help you to get rid of all the viruses and Trojans. Viruses are a piece of code or an executable program which will delete your files on hard disk and sometimes even crash your system. When your system got infected by viruses,it acts differently like you get unusual screen display,error messages,slows down your system,system will hang eventually,Windows will work incorrectly etc.
They say that "Prevention is better than cure".Preventing your PC from viruses by using an anti-virus program is better than dealing with infected PC. Some of the best anti-virus software available in the market are Kaspersky, ESET NOD32, McAfee etc. These antivirus program will not only help you in dealing with viruses but also with other threats like adware, spyware and Trojans.
4) Getting rid of unwanted startup program:
Startup program are those program which are automatically started by Windows everytime you turn on the computer. The main problem occurs when viruses, Trojans and spyware set themselves to start automatically whenever the Windows starts. Some of your startup program will be visible on your system tray(located on lower right hand corner).
The Startup program will be running in the background causing your computer to run slower by eating your system memory. Some of the startup program are very critical for your Operating System, You don't have to disable them unless you know they are unnecessary.
Go to Start menu>>Click on Run>>Type "msconfig">>Hit enter
You will see a screen called System Configuration Utility. There, Click on Startup tab on the extreme right hand side of the dialogue box. You can see all the startup program now which are scheduled to run on startup. The programs which are checked,only they will run on startup. If you want any program not to run on startup or you find any suspicious program, Then uncheck it and then Apply. It will ask you to restart your computer. Restart it and you will see all the unwanted program are gone from the System tray or they will not run on startup.
5) Uninstall all the unused programs:
Any programs that are not being used for such a long time are just taking up space on your hard drive. Deleting a program folder doesn't mean that you uninstalled that program. You have to do it by uninstalling the program from Control panel.
Go to Start Menu>>Control Panel>>Add or Remove Program.
It will open a dialogue box in which various installed programs are given... Click on "Remove".Now,the program will be removed from your computer.
6) Recycle bin:
If you delete any file, it will not completely removed from your computer, It goes to Recycle bin. Basically Recycle bin is a temporary storage for all the files that have been deleted by the user. Sometimes, files got deleted accidentally, You can recover those files from Recycle bin. But those files acts as a junk when it goes to Recycle bin. You will found all the unnecessary junk in the recycle bin. Keeping those junk for a long time might slows down your system. Empty your Recycle bin after a regular interval of time.
7) Delete Temporary Internet Files:
Every time you visit a website or open a file in it, a temporary copy is made and kept in your hard drive. Basically these are the files stored in computer and helps in speed up surfing. When you visit any website like http://www.ebay.com, Your browser will take particular files from that website and stores them in hard drive of your computer. Now,next time when you visit http://www.ebay.com, The page should load faster because you have the information stored in hard drive of your computer as Temporary Internet Files.
Temporary Internet Files only acts as a junk and might slow your computer. So, it will be good for your computer if you delete those temporary files.

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