/vote command not working properly

[michelhn]

An error occured while executing vote []: System.ComponentModel.Win32Exception: Access is denied.

at System.Diagnostics.Process.Start_shell (System.Diagnostics.ProcessStartInfo startInfo, System.Diagnostics.Process process) [0x00000] in :0
at System.Diagnostics.Process.Start_common (System.Diagnostics.ProcessStartInfo startInfo, System.Diagnostics.Process process) [0x00000] in :0
at System.Diagnostics.Process.Start (System.Diagnostics.ProcessStartInfo startInfo) [0x00000] in :0
at System.Diagnostics.Process.Start (System.String fileName) [0x00000] in :0
at Teyhota.VoteRewards.Commands.Command_Vote.Execute (IRocketPlayer caller, System.String[] command) [0x00000] in :0
at Rocket.Core.Commands.RocketCommandManager+RegisteredRocketCommand.Execute (IRocketPlayer caller, System.String[] command) [0x00000] in :0
at Rocket.Core.Commands.RocketCommandManager.Execute (IRocketPlayer player, System.String command) [0x00000] in :0