Encountering "Error 5: Access is Denied" indicates insufficient system permissions for executing an action. Below are three proven solutions:
1. Run as Administrator
Right-click the application or command prompt shortcut and select Run as administrator. For command-line operations:
- Open Start Menu, type cmd
- Right-click Command Prompt > Run as administrator
- Execute your command again
2. Modify File/Folder Permissions
Take ownership and grant full access:
- Right-click the file/folder > Properties > Security tab
- Click Advanced > Change owner link (next to current owner)
- Enter your username > Check Replace owner on subcontainers and objects
- Confirm all dialogs > Edit permissions to grant Full control
3. Disable Interfering Applications
Security software may block access:
- Temporarily disable your antivirus/firewall
- Restart the system if modifying protected system files
- For third-party installer errors: Clean boot via msconfig > Disable non-Microsoft services
Always verify system file integrity afterward with sfc /scannow in elevated Command Prompt.
