SubInACL is a command-line tool from the Windows Resource Kit that can be used to update file, folder and registry permissions, and can help fix some Access Denied errors that can be encountered while trying to install products, hotfixes and service packs on Windows. It enables administrators to obtain security information about files,
How To Take Ownership And Full Control Of Files And Folders Have you ever faced “Access denied” error while deleting any file? Many users face this problem daily. Some files which come from other computers, or some files that are left behind after upgradation of Windows, usually give this error. This error occurs because the Ownership of that file or folder is different. You cannot modify or delete any file or folder if you are not owner of that file or folder. So, how to solve this…
Request approved, user can access the folder The user signs out, signs back in and can access the folder which previously caused an "Access Denied" error. On Windows, changes to a user's group memberships only take effect when the user signs into his PC. This means that after the user was added to the group in question, he must sign off and sign back on before he can access the protected share, folder, etc.
Windows access denied dialog leading to group membership request: The user encounters a Windows "Access Denied" error dialog. The user is guided to a request for membership in the appropriate Active Directory security group. Users need access to new shares, folders, etc. but they don't understand ACLs or security groups. To attain high user adoption for self-service security entitlement management, it is important to implement a system which allows for this gap in users' knowledge.
first check if the file or folder is in use. Close all open files and folders and try again. If it does not help, Take Ownership of the file or folder and see if you are now able to delete it. If even this does not help, check if you have the proper File and Folder Permissions.