Did you experience a hang when trying to shut down the computer? Seems it is strange that you can get this unknown error! Even if you Ctrl + Alt + Delete keyboard shortcut, it does not work! Nothing you can do except turn off the power by force. Your computer can not shut down because of many reasons. In the article, we focus on some of the main causes. Hope it can help you solve the problem.

1. The biggest opportunity is your computer has a damaged driver. Any software or hardware will need a driver to take him in connection withon your computer. When will the drivers, are unfortunately not damaged, the face you can freeze registry problem, including the blue screen, PC, computer does not shutdown problem.

You get a lot of drivers damage, because you receive an incompatible driver installed, or missing a DLL file. Even hardware conflict may cause this error. Other possibilities is corrupt or delete system files malware! How can I not consistent, corrupt driver from our cleaning registry. ErrorFix is the leading provider of Registry CleanTool to help you fix your corrupt registry!

2. Temporary files. Generally, temporary files, you take your Web behavior, it saves in the Temporary Internet Files folder for quick viewing. Temporary files your computer to block computers that serious problems. To delete temporary files, you can remove manually or with a PC-Cleaner.

Method:

– Open the Control Panel from the Start, and then select Internet Options.
– Click On the General tab, Delete Files.
– In theDelete Files dialog box, select the Delete all offline content, select check box and then click OK.

3. We also think that the cause of malware, a computer can not be shut down. We know that malware can change the machine parameters. This kind of malicious behavior slowly corrupt your computer, Windows system and give you more worried. The best solution is to create an anti-virus like kaspersky regularly performed.

4. Disk full, has errors or needs defragmentation run.

5. SomePrograms are still run in the background, so you do not shut down your computer. Execute Disable Task Manager in the simple process.