Antivirus software is used to get rid of computer viruses, Trojan Horses and malicious software and it has integrated functions including monitoring, distinguishing, scanning and eliminating viruses. In the cyber world where viruses and Trojan Horses widely spread, the antivirus software brings good news to all computer users. Seeing this commercial opportunity, many software companies begin to develop their own antivirus software, among which the most famous are Trustport, AVIRA, G DATA and Bitdefender, etc. However, any antivirus software has its own advantages and disadvantages and some defects may bring lots of unnecessary losses to users. Now I am very cautious when choosing antivirus software because I have encountered that situation.
In the early period when I used computer, I had no conception of virus defense. What I knew only the name computer virus and had no idea of the information related to viruses until my computer was infected with viruses. I didn’t know what happened at first. But the computer ran slower and slower and the system halted occasionally. I told this situation to my friend. From his judgment I knew that my computer was infected with computer viruses. He suggested that I download some antivirus software to kill viruses. Curious about the awful computer viruses, I looked up some related information. I was greatly surprised by their harmfulness. During the time when there was something wrong with my computer, I did a lot private operations and I didn’t know whether they are exposed. I immediately downloaded some good antivirus software on the internet to scan and kill viruses. The result frightened me. The antivirus software listed more than 50 worm viruses and suspicious files. I got rid of all of them and scanned the system again. I was at ease when the software showed no virus. However, there were new problems waiting for me.
After deleting all viruses, I looked up the work files for the next day. The folder storing all my work files in Partition F: was lost. I was at a loss. Then the deleted suspicious files occurred to me. Yesterday, I stored one file in the folder. But later on I deleted it because it was useless. Why did the folder disappear? Did the antivirus software delete it? With these questions, I looked for solutions on the internet. I was attracted by the article “Free data recovery software”. After read it, I learned that the function module “Undelete Recovery” of MiniTool Power Data Recovery could restore data deleted by accident. I found the official website and studied some knowledge of it and finally I was persuaded and installed it on my computer. In line with the operation demonstrations and instructions on the website, I accomplished all operations. I checked the appointed location storing the recovered data and the folder named “Work” made excited. It was the folder that stored all my work files. Thanks to this free data recovery software which had saved me.
Experiencing this, I began to learn knowledge of antivirus software. Different antivirus software has different advantages and disadvantages, but the boundary line is not clear. For example, maybe the advantage of the one causing data loss to me is eliminating viruses thoroughly. But it deleted my important files while killing viruses, which make its advantage become its disadvantage.
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