xenapp Error 26005: IMA Service

Citrix XenApp 5.0 (error 26005):

• CTX_IMA_StartIMAService property CitrixWindowsFolder is C:\\Program Files (x86)\\Citrix\\
• MSI (s) (28!F0): Product: Citrix XenApp 5.0 — Error 26005. Could not start IMA Service in CTX_IMA_StartIMAService State = 2
• MSI (s) (28:FC): Leaked MSIHANDLE (84392) of type 790531 for thread
  MSI (s) (28:FC): Note: 1: 2769 2: CTX_IMA_STARTIMASERVICE