Can't write image data to path (C:\xampp\htdocs\umapido\public\/thumbnails/1618212310.jpeg) code example

Example: Can't write image data to path (C:\xampp\ht

How to change file permission on  Windows 10.
Right-click on a file or folder.
Select Properties.
Click the Security tab.
Click Edit
Click "Change" next to the owner name ( set full permission to all users ). 
Apply 
OK 
thats it