Win7 system open file prompt "references an unavailable location" solution

The specific method is as follows:

1. Press the win+R shortcut key on the keyboard to open the running window of the computer;

2. In the open running window, Enter regedit and click Enter;

3. In the open Registry Editor window, click to expand HKEY_CURRENT_USERSOFTWAREMICROSOFTWINDOWSCURRENTVERSIONEXPLORERUSER SHELL FOLDERS in the left menu;

4, in the right window Find the "My Documents" option, double-click the specific settings item one by one, pop up the modification window, set the path to the drive letter you want to place, click “OK”.

5, after the modification is completed, close the registry editor, and then restart the Win7 system, and then open the folder to be opened before it will be normal.