Disable windows offline files:

Local Computer Policy\Computer Configuration\Administrative Templates\Network\Offline Files

Change the following:

Allow or disallow use of offline files feature: Disabled
Prohibit user config: Enabled
Sync all offline files when logging on: Disabled
Sync all offline files when logging off: Disabled
Sync offline files before suspend: Disabled
Remove ‘Make offline’: Enabled
Prevent use of Offline Files folder: Enabled