Sharing a folder will be lost after 10min to 1hr

[PrakashGempala]

I given EveryOne fullcontrol permissions to a folder in Program files after 10min to 1hr the permissions are loosing. I am not able give permissions from C#. Please help.:eek:

 

[PrakashGempala]

Is there any hotfixes for thes type of issues. Thanks in advance.