Win7 system computer cannot copy paste file What's going on?

We use the Ghost win7 system download installation system under the use of copy and paste this function, we will not be unfamiliar with this function, copy and paste are generally using the mouse or keyboard shortcut keys, very fast function to get everyone's favorite, But sometimes we find that this function can not be used, as if locked in the same can not be pasted, the right mouse button pasted display has become gray, can not use how to solve it?

1, first of all may be our computer in the installation of other software in the process of the phenomenon of poisoning, if it is really poisoned we need to antivirus first, we restart the computer when we choose to enter the safe mode of killing, after the killing after the disk cleanup and then see if you can paste.

2, we use the right mouse click My computer into the C disk, and then click on the Right button property settings, and then see the disk in C disc cleaning function, and then directly clear waiting for clean up.

3, then we can click on the desktop Start menu, and then turn on the running function, enter the chkdsk d:f command can be directly performed to clean the disk function.

4, the disk clean up after we need to restart the computer, and then to try to copy and paste has been restored, under normal circumstances can be resolved.