What are the symptoms and solutions to the Win7 system computer after the virus is hacked?

The specific methods are as follows:

Slow running of computer system

Under normal circumstances, unless the computer graphics card is too bad, the current computer is running relatively smooth and fast, if just opened the machine, or open the other software is a great card, the computer is ten to one poison.

　Second, the computer freezes for no reason

Normal system will not crash, if the computer always appears blue screen black screen situation, your computer is very likely to carry viruses such as Trojan software.

Loss of file or file damage

When a malicious virus invades a computer, many of the features that tamper with and destroy files cause sometimes our computer files are lost or cannot be opened.

　Four, anti-virus software number--rising

This is now China's most practical value and security of the software, functions and stunts are many, many people do not know how to use the computer is very handy.

　　5,360 Security guards

This is really good to use, all aspects of scanning and functional, I now use this is also a convenient, Word-of-mouth is also very good, the general computer I recommend preferred 360.

　　Liujinshan Poison PA

This is the most famous is its anti-virus system, its anti-virus function and upgrade service is free of charge, although it is anti-virus software, individuals still do not recommend this, no 360 convenience.