1 has no effect on the computer or appears occasionally. Never mind it, it may disappear automatically after restarting the computer.

2. This problem may appear in pirated system or Ghost version system. Install the official patch in time (check whether the year, month and day of the computer are correct). Suggestion: Install a genuine system.

3 caused by virus: upgrade antivirus software or download special killing tools to thoroughly kill the virus on the computer.

4 caused by hardware: If it is caused by a memory stick, remove the memory stick, clean it up and reinstall it. If necessary, replace the memory module. (This problem rarely occurs on hardware)

5 software reasons: the installed software conflicts with the system or other software, pirated or other software with viruses (games, etc.). ). If you use genuine software, you won't have this problem. Mainly check the startup items, and disable the unnecessary startup items.

Then be a browser, player, game, QQ, etc. This problem occurs when the. The general solution is to uninstall the software and then reinstall it. If it can't be solved, you need to replace other versions of the same type of software, or find the conflicting software to uninstall, so that the problem can be solved.

6 Check whether there is any problem with the driver, reinstall the driver or update the driver in time.

Note: If this problem occurs when using windows IE browser, many netizens report that IE has become unstable recently. Repair IE with 360 security guards. If not, you can try upgrading IE or lowering IE version. If it still doesn't work, the simplest solution is to download and replace other browsers. You don't need to delete windows IE, just use another browser. For example: 360 security browser, Window of the World browser, Maxthon, etc.

If all the above methods can't be solved, download a reading tool from the Internet and try it. If necessary, restore or reinstall the system.