Computer USB U-disk can not safely uninstall problem solving method

The first method:

Often we in the U disk file or data out of the time, are used in the "copy" "Paste" way, and if the copy is a U disk file, this file will always be placed in the system's clipboard, in the standby state. And if this is the case we want to delete the U disk, there will be the above can not stop the U disk prompts.
The corresponding solution is: empty your clipboard, or on your hard disk to copy a file and then paste the operation, then you go to delete a U disk prompt, see if it was successfully deleted?

The second method:

If you think the above method is still invalid, you can use the following method:
Press the "Ctrl" + "Alt" + "Del" key combination at the same time, the Task Manager window appears, click the Processes tab, look for the "rundll32.exe" process in "image name", select the "rundll32.exe" process, and then click "End Process" , a Task Manager alert is ejected, asking you to decide whether to close the process and clicking "Yes", which closes the "rundll32.exe" process. Then remove the U disk will be able to remove the normal.
When using this method, be aware that if you have more than one "rundll32.exe" process, you need to shut down more than one "rundll32.exe" process.

The third method:

Check the computer program has not occupied the resources of U disk, make sure U disk did not write and read the action. For example, you open a USB disk on the local computer pictures, music, video, software and so on, please turn off these open resources, you can safely delete the U disk

The fourth method:

Empty your clipboard, because we are copying the files are used in the "copy" "Paste" mode, and if the copy is the file on a U disk, this file will always be placed in the system's clipboard, in the standby state. And if this is the case we want to delete the U disk, there will be the above can not stop the U disk prompts.
 
Fifth method:
 
This method also uses the Task Manager, pressing the keyboard "Ctrl" + "Alt" + "Del" key combinations to appear in the Task Manager window. Click Process to find the explorer. EXE process and end it. At this time you will find your desktop is missing, please do not panic, continue to do the following, in the Task Manager click "File"-"New task"-Input explorer.exe--OK. Remove the USB drive again and you will find it safe to delete.
 
Sixth method:
 
This is the simplest, but most time-consuming, way to restart your computer and solve some problems if you feel that there is a problem. You can use the following proactive precautions: Turn off the preview of the system.
Method: Double-click My Computer--tools--Folder Options--general--tasks--Use the Windows Traditional style folder and click OK. So once and for all.