Note: These phenomena are not the bane of the virus.

Have you ever had a virus? Although the new virus is endless, but ordinary users can really "firsthand" to the virus is not much, nothing is disastrous shock wave, oscillating wave, but also by the friend message confused QQ tail virus. When the system appears very "typical" virus phenomenon, it is likely to encounter a system failure disguised as "pseudo virus"!

Ways to differentiate between real viruses and system failures

① file viruses make it impossible for all programs to open, and system failures usually make some system functions unusable.

② (especially web viruses), registry Editor, and process Manager are likely to be disabled after the virus is infected.

When the ③ system suddenly fails to start or strange failures, recall whether the service has been optimized before, or installed software related to the bottom of the system (such as anti-virus software, network firewalls, etc.).

One, the system lacks the arm to break the leg to look for WHO

Symptom: System component cannot run or loss of virus similarity: ★★★★★

A function of Windows suddenly unusable or lost, scratching the scalp can only come up with a reasonable explanation of the virus. Not really, for example, the loss of the search panel, the Quick Launch bar does not start, there is no "run" in the Start menu, there is no pallet in the taskbar, and so on, there are usually 3 reasons why a component cannot be run or lost: The ① component is not installed; ② system service is not started;

Example of an obstacle: the "straw" to retrieve the system

When you click the start → Help and Support menu or press the F1 key, the system does not respond or prompts for help and support errors. No response may be due to a file loss or system component not being installed, and the prompt error is caused by the service not being started.

Step One: Click "start → run" and enter the "helpctr-regserver" command to register the Help component again.

Step two: If the failure persists, open the C:windowsinf directory (the Directory property is hidden, you need to set "Show All Files and folders" in Explorer), locate the Pchealth.inf file, right-click Select Install, and reinstall the Help component ( You are prompted to insert the Windows XP Setup disk during Setup.