virtualbox.org

I get this message to install the fix pack whether the user is admin or a user with admin authority can u help pls

thks

Failed to install the Extension Pack C:/downloads/Oracle_VM_VirtualBox_Extension_Pack-4.3.10-93012.vbox-extpack.

The installer failed with exit code 1: VBoxExtPackHelperApp.exe: error: Failed to rename the temporary directory to the final one: VERR_ACCESS_DENIED ('C:\Program Files\Oracle\VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack-_-inst-5556' -> 'C:\Program Files\Oracle\VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack')

VBoxExtPackHelperApp.exe: error: Failed to delete the temporary extension pack directory: VERR_SHARING_VIOLATION ('C:\Program Files\Oracle\VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack-_-inst-5556')

rcExit=1.

Result Code: E_FAIL (0x80004005)
Component: ExtPackManager
Interface: IExtPackManager {3295e6ce-b051-47b2-9514-2c588bfe7554}