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• Clean your temporary files, browser history and recycle bin on a regular basis.
• Use disk clean-up and disk de-fragmentation utility programs on a regular basis to remove all unnecessary files and
information that slows down the computer so that the efficiency of the computer increases.
REMOVING SPAM EMAIL FROM YOUR COMPUTER
Spam is an unwanted, unsolicited bulk message from companies for advertising, spreading malware or tricking you
to visit their insecure websites to take your personal information along with bank details. It can be received through
email, text messages, phone calls or social media.
Spam emails have become an inseparable part of our email. Some email service providers filter and mark these spam
emails and place them automatically in separate spam folders. You can also avoid getting spam messages by following
the given steps:
• Do not respond to Spam and delete it on a regular basis.
• Do not provide your email address to unknown websites or post publicly.
• Avoid clicking on unknown clicks available in between your internet browsing.
• Do not reply to spam messages.
• Download spam filtering tools and anti-virus software.
• Do not use your personal or business email address when registering in any online contest or free services available
on the internet.
PROTECTING COMPUTER AGAINST VIRUSES
VIRUS is an acronym for Vital Information Resource Under Seize.
Computer virus is a malicious code that attaches itself to a file and enters your computer system and makes copies
of itself and carries out the harmful tasks in such a way that it damages the important files of an operating system or
application programs or important data files due to which the computer may stop working.
There are various types of virus. Some of them are:
• Program File Virus: A program file virus, also known as file-infecting virus is a type of computer virus that infects
executable files (program files such as .exe, .com, .sys, etc. files) to make them unusable or damage permanently.
• Boot Sector Virus: Boot sector virus is one of the most hostile types of computer viruses that infects the boot sector
or the Master Boot Record (MBR) of hard disks or floppy disks.
• Macro Virus: A macro virus is a type of computer virus that is primarily designed to infect a specific type of documents
such as Word or Excel files.
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