Single-click to open an item greyed out
The problem mainly occurs when the ClassicShell is enforced. So to fix it you’ll need to remove the Entry. You can do it via changes in the Registry Editor settings. Read the detailed instructions for the above-given steps below. Press Win+R in combination to open the Run Dialog box. Type Regedit in the empty field of the box and press Enter.
When the Registry Editor opens, navigate to the following path address – In the right-pane locate ClassicShell entry.
When found, right-click and delete it. Repeat the same for the following – Close the Registry Editor and exit.
Restart your PC to allow the changes to take effect. The Entry for Single-click to open an item (point to select) and Show Common tasks in folders should appear as normal.