Win7 system desktop icon cannot be refreshed automatically need to press F5 key What's going on?

Win7 system desktop icon cannot be refreshed automatically need to press F5 key What's going on?

1, first use the key combination "Win+r" to open the Run window, and enter the "regedit" command to press Enter or determine;

2, open Registry Editor, in the left menu list, expand in sequence: Hkey_local_machinesystemcurrentcontrolsetcontrol Open the control file group that you want to edit. On the control filegroup we use the right mouse button to click, and then in the right button down menu, select the "new" item in the "Subproject" item;

3. Then create a new item named "Update" in the control filegroup, double-click the item and right-click in the blank position of the right window of the registry list, and then continue with the new item and name the new item "UpdateMode";

4, next double-click the UpdateMode option, and then create a new expandable string value, and then modify its data name to DWORD, and then double-click the item to modify the numeric data to "0".