Win10 computer desktop icons all become pdf method

1. Press Win and R on the keyboard, enter regedit and press Enter to open the registry editor.
2, open on the left side "HKEY_CURRENT_USER— SOFTWARE— MICROSOFT— WINDOWS— currentversion— Explorer— FileExts—.lnk.

3, click to expand the .lnk directory, in the directory there are two folders openwithlist and openwithprogids

4, if there are other folders, delete them all, right click The file selection is deleted. Leave only ‍openwithlist and openwithprogids

5. Next click on the openwithlist file. Look at the right side and see that there are no other items. If all are deleted, leave only one name & ldquo;default”.

6, then click openwithprogids, in the right side, in addition to "default", there are no other, and some are deleted.

7, this will be fine. Close the registry, restart the computer or log out, you can return to normal after logging out.