"Access denied" means that permission to enter, use, view, or access a particular resource has been refused. This can happen in various contexts such as on computer systems, websites, or secure areas where access is restricted. Essentially, it indicates that the user trying to gain access does not have the required authorization or credentials to do so. Common causes of "access denied" include:

• Lack of proper user permissions.
• Security measures such as firewalls or software blocking access.
• Geo-restrictions based on location.
• Browser or network issues, such as VPNs or proxies interfering with access.
• Corrupted or missing files or resources.

The phrase is often associated with frustration since it blocks entry to something important or needed. It appears frequently in digital security contexts when users try to access password-protected websites, restricted files, or private services without appropriate rights.