Error on Login

[cimator]

Error unpacking:
System.IO.IOException: İşlem, başka bir işlem tarafından kullanıldığından 'C:\Program Files (x86)\Warhammer Online - Age of Reckoning\ICSharpCode.SharpZipLib.dll' dosyasına erişemiyor.
konum: System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
konum: System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
konum: System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
konum: System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
konum: RoRLauncher.MainWindow.Unpack(String fileName)

It was working fine all this time, now gives this error when I open the launcher.How can I fix it?

[Elven]

Try removing read only on the file data.myp and try again.

[cimator]

still same

[Elven]

Try moving the game folder else where. If still shows the same error, try a restart.

[cimator]

Ok problem fixed! Thanks a lot