1-Try to log in to Windows with administrator account.
2-Locate the file you want to move to your Desktop.
3-Right-click the file, From the context menu, click Properties.
4-On the opened file’s properties box, go to the Security tab.
5-Click Advanced button from the bottom.
6-On the opened box, go to Owner tab.
7-click Edit button from the bottom.
8-Once done, click to selectyour user account from the Change owner to list.
9-From the bottom of the box, check the Replace owner on subcontainers and objects checkbox.
10-Click OK button and accept all the confirmations that are displayed thereafter to continue with the process.
Note :you can also click Other users or groups button to make any other user or group the owner of the selected folder.
11-Wait till the Windows completes the process.
Let me know the results please