System

Windows will not delete files permanently when you delete them from recycle bin. The deleted files are only just marked as not being available, and the deleted file's data disks space is set to be available again for new data. The advantage of this method is that you can recover the data back using data recovery software. The disadvantage, your data is not really erased so that it can be recover back by anyone who uses that computer. This applies when you sell your computer, give it to a friend or someone has stolen your computer.

Your computer get slow on startup after using for a while. It's happened because there are many program that also launch when you turn your computer on like Google Updates, Real Media Player, Winamp, Antivirus program, etc. If you want to disable the program then you can go to the program and find option do not start when Windows runs. If you don't find that option then you can go to computer system by type msconfig from Start -> Run. But this method is not recommended for end user.

When you download a zipped file from internet or copy from your friend's PC and try to unzip, you sometimes get a message that the zip file is corrupted. To solve the problem, you can use Zip2Fix to repair damaged zip file. Zip2Fix is a small freeware to repair corrupt zip files. Zip2Fix will extract any and all undamaged files from it.

It's very annoying when you know that the file that you want to open is corrupt. But you don't need to worry because you can fix this using File Repair software. File Repair software is a free tool to repair corrupted files. It scans the damaged file and extracts maximum data from it to a new usable file.

File Repair can be used to repair files that is got corrupted due to:

It usually take a long time to defrag your computer with Windows OS using Windows OS built in tools such is Disk Defragmenter. It happens because you must defrag disk drive and can't defrag for a folder only. Fortunately there is a software that will help you to defrag faster. The program is Defraggler which you can get it by free

When you are using computer for a long time, you will find a lot of garbage files on your computer. I said garbage files because the files are not important for your Windows system and sometimes can make your computer running slow. It's better if you delete garbage files periodically and save your free disk drive capacity.