Make it a frequent habit to remove temporay files. It's valuable to find and remove files that you often don't need to have, this reduces clutter and helps you to avoid a blue screen error and other problems on your computer. For example, you may have documents that were relevant several months ago but their use has passed. Another example is images. You will download a lot of images attached to emails, such as a signature file. These have no use to you, but they take up room on your computer. To clear your old and unnecessary files, go to Start - All Programs - Accessories - System Tools - Disk Cleanup and select the files you want to remove.
Periodically you should uninstall old programs. With the passing of time, a steady computer system user will have a dozen or so programs on their hard disk that had a purpose for particular task, but haven't been opened for a long time .Removing these is easy and frees your computer up for the jobs you need it for.
To find and remove old programs, go to Start - Control Panel - Uninstall a program (Vista), or XP users, follow Start - Control Panel - Add/Remove Programs. This path will show you a list of familiar programs, some of which you may no longer have a use for. Click on the program, then select 'Uninstall'.
Fundamentally one of the most basic steps you can take is to improve your storage space is to back up your data. If you store all your huge files like movies, music and photos on an external hard drive or burn them to CD, you'll leave more area for your computing device to find what it needs when you open a program. Saving space makes your computer run quicker, helping you to avoid blue screen error and other problems
When you clear your registry you avoid crashes and blue screen error. Your computer's registry is like your computer's database that stores your programs. Over a period of time, as many programs are added and removed, and daily programs opened more routinely than others, your registry ends up disorganized with files scattered far and wide. An old or cluttered registry will initiate crashes and blue screen error lags.
Fortunately, if you suffer from a reasonably new PC that is constantly slow, the use of System Recovery may benefit you. You can get a completely new computer in minutes by restoring your Computer to the comparable original settings you enjoyed when you took it out of the box. System Recovery will erase your hard drive clean, taking all the slow bugs -- and your data -- with it. This is the nuclear option. System Recovery AFTER you have backed up your important data onto an external hard drive or CD. To access System Recovery, enter your Windows install CD into your drive and follow the instructions.
Not only should you send unused items to your recycle bin, but you should remove them for good. Leaving your recycle bin stuffed full of old files means you're leaving rubbish in the pathway of programs that you use on daily basis. The less trash or unneeded files you have, it helps you to avoid system failures such as blue screen error. Emptying your recycle bin of old and unused files will make it less challenging and faster for your computer to open the program you want. Which will make you more efficient.
Check your firewall from time to time. No doubt it's possible a slow PC is the victim of a harmful program or virus, sometimes called 'malware' or 'spyware'. Ad ware keeps tabs on the information on your computer and may transmit it to criminals to use your credit card data or similar personal information. Check now if your firewall is turned on. Follow Start - Control Panel - Network and Internet Connections - Windows Firewall. You should get rid of any adware or Spyware immediately with an effective antivirus program if you are aware you have it, as it will slow your PC down tremendously.