Major problems created by a computer virus

A Computer Virus is one of the most dangerous threats for a computer. It can be infected in many ways. Below are the consequences or results produced by a computer virus program. This is important to understand that these issues can also be occurred due to other reasons apart from a computer virus. A good computer cleaner program is necessary essential to clean your PC from a computer virus program.

• Deletion of files and data
• Different kinds of error messages in files or in programs
• A computer virus can also change the volume label of your hard drive
• Create clusters as bad in the FAT and NTFS file system
• On your hard drive it can overwrite various sectors.
• Creating different partitions in a drive and partitions decrease in size.
• "Invalid drive specification" error message on the hard drive
• Causes cross-linked files.
• Causes a "bad sector or sector not found" error message
• Due to its multiplication nature creates huge similar files and which causes the system to run slow.
• A virus can change order of a Windows Directory so files, such as COM files, will start at the beginning of the directory.
• Can create many Hardware issues such as keyboard keys not working, printer issues, modem issues etc
• It can disable some important ports such as printer LPT or COM ports.
• Keyboard keys can be modified or remapped. If a virus modifies your keyboard keys you may type letter A while it will print T on the screen or anything in random way.
• Very common virus effect - Alter the system time and date
• Your system may freeze for hours
• Can attack on HDD or FDD randomly and causes many issues in it.
• Increase or decrease any file size.
• Changes with memory size (Increase or decrease)
• Windows boot time can be affected by a virus and it may take ages to boot the Windows.
• Hard disk may take longer time than expected.
• Hardware such as hard drive can make strange noises.
• Tilted screen or pictures on the screen may get affected and will be displayed improperly
• Various other error messages such as memory is full.

How to remove Virus from a computer

The recommended and an official method of recognizing and removing the computer virus or other malware from any computer is an antivirus protection program. However sometime you may go some extra miles to protect your computer i.e. you need to perform some manual steps to remove a virus from a computer. This needs to be remembered always that a slow pc issue is the very first symptom of an infection in your system.