XP system can't stop the solution of universal volume device

During the use of Windows XP, everyone often meets " now unable to stop & rsquo; universal volume & rsquo; device. Please wait a moment before stopping the device " problems? Plug in u disk, mp3, mobile hard disk and other devices often, when you want to safely delete it, there will often be no use tips on the map! In some cases, turn off the corresponding window, refresh several times It can be safely deleted! But most of the time we have to force it out!
The first method:
A very small and practical software abroad, only 191KB, called unlocker, very easy to use! This software can Unlock the USB connection device! You can 100% safely delete the USB connection!
The second method:
We only need to turn off the preview function of the system, this problem will not appear again, the operation method Yes: Double-click My Computer - Tools - Folder Options - General - Tasks - use the Windows traditional style folder, then click Apply - OK. This is ok!
The third method:
Close the open file that exists on your mobile device. Do other operations on the hard disk partition, such as “copy ”“paste” etc., then you can stop. The end of the "rundll32.exe" process can also be deleted normally. Method: Press the "Ctrl"+"Alt"+"Del" key combination on the keyboard at the same time, and the “Task Manager” window will appear. Click the "process" tab, at " Look for the "rundll32.exe" process in the image name " (if there are multiple "rundll32.exe" processes, all can be closed.), select "rundll32.exe" process, then click "end process" At this time, the "task manager warning" will pop up, in order to let the user determine whether to close the process, click "Yes" to close the "rundll32.exe" process.
There is also a last resort, turn off the computer, after the flash drive's indicator light is off, you can safely pull it out; if there is no flash memory, then the computer power indicator will be off and then safe. Pull out.
But the above methods are all happening. "You can't stop the universal volume device now, please stop the device later." After the problem, is there any way to prevent this problem?
First insert the flash memory into the USB interface. Then in Windows XP, right-click the "My Computer" icon, and then expand "Properties & Rarr; Hardware & Rarr; Device Manager & Rarr; Disk Drive", find "USB Flash Drive USB Device" (different The brand's flash name may be different), then double-click it to open the “USB Flash Drive USB Device Properties” dialog box. Switch to the "Policy" tab, select "Optimize for quick delete", click “OK" In the future, you don't need to pay attention to the “Safely Remove Hardware” icon in the system tray. As long as the data is not read or written to the flash memory (ie, the flashing light does not flash), you can directly unplug the flash memory from the USB interface.
The fourth method:
Uninstall the entire USB driver, reinstall
The fifth method:
At the "Start" ”-"Run" enter this code: REGSVR32 /U SHMEDIA.DLL