Can not add or delete domain - getting following error

[nazeelp]

Hello anyone

I can not create or delete domains from plesk server i am getting following error...

The system cannot find the path specified. (Error code 3) at GetLongPathName('C:\Windows\Microsoft.NET\Framework\v2.0.50727.4016 (NetFxQFE\aspnet_isapi.dll')
at (VFileName::longFileName line 359)

any idea why, or any one had similar issue before?.

Best Regards
Naz