Generally speaking, file/folder permissions determine whether you can access, read, write, modify a file or folder. The Error messages you get may be any of the following types:

You don’t currently have permission to access this folderYou don’t have read or write permission to the specified pathYou don’t have permission to modify the file or folderYou have been denied permission to access this folderYou need permission to perform this action.

DropPermission for Windows PC

DropPermission is a program that helps you gain permission instantly. Download the .exe file and run it. A translucent square will open. Simply drag and drop the file or folder in this square, you will be given the requisite permissions. You can download it from its homepage. This link may also interest you: How to Take Ownership and Full Control Permissions of Files & Folders. Other similar errors you may see:

DropPermission lets you overcome You don t have permission to error - 79DropPermission lets you overcome You don t have permission to error - 20