Method 1:
1. Right-click my computer and click the "properties" command in the pop-up menu;
2. Switch to the "Advanced" tab on the system properties page, and click "set" in the user configuration file bar;
3. Deleting the configuration file will delete the personal files of this account on the desktop and in my documents. Please delete them and move them to this account directory to complete data backup,
In the "configuration file stored on the local machine" box, select an abnormal account configuration file, click "delete", and then click "OK, in this tutorial, the account name 111 is used as an example, as shown in the following figure:
Method 2:
1. Double-click my computer and select "tools"> "Folder Options ";
2. find the "View" tab and deselect the check box before "share with simple folders". The Green Dot is displayed on the "show all files and folders" option. Click "OK" after the settings are complete ", as shown in the following figure:
3. Open drive C, find the "Default User" folder under the Documents and Settings folder, and right-click the folder to open the "properties" dialog box of the folder;
4. Switch to the "security" tab on the folder properties interface, and click "Advanced" on the security interface.
5. On the "permissions" tab, find the denied item, select it, and click "edit ";
6. set all "denied" items under "permission" to allow, that is, check the items in the red box shown in the following figure and click "OK". Then, test the items here, can the problem be solved.
Well, the above is a few solutions for your lack of permissions, which is the same in other win versions.