Hi Pete firstly I would like to say big thanks as in all support you do with your fsuipc I think it is terrific application and more over after your update to deal with CTD from time to time happening I don't get any so far .So I must say 
great job as always . I do have quite few ftx sceneries and even flying F18 vrs at Low alt very fast I do get non thanks for that . To this issue with my MCP pro I fully understande I did drop lines to fslabs where I am waiting for their support as well as I don't mind spend money for something what  works, however I should get in touch with goflight to get some opinions in this prob. as it is their product . To your advise I did try to unplug and plug it but it always show number for couple of second and then back to dark . I also did run hidscanner and find something very interesting as I have GF TQ6 ,MCP PRO and effis ,but only TQ6 shows serial number . And I think that might be an issue as FSlabs doesn't let anybody purchased thei drivers without serial numbers  just for thei protection . Which I understande . I know that from their forum as some peaple update Goflight new firmweare to fix freezing in fsx but it also delete serial numbers. 
I just will just paste Hidscanner log if you have time and could have look perhaps you could see anything what is not correct . Pete I thank you for your time and have great day.  
********* HidScanner, Version 2.00 by Pete Dowson ********* 
  Device at "\\?\hid#btiahiddevice#9&a5598cb&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=FEEB, Product=DEEF (Version 1.0) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Usage Page: C 
  Input Report Byte Length: 3 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 2 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 10 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 10 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 1 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 1 
  ************************************************************************** 
  Device at "\\?\hid#saitekhotkeys#2&15d37534&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=06A3, Product=5081 (Version 0.1) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Usage Page: C 
  Input Report Byte Length: 3 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 669 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  ************************************************************************** 
  Device at "\\?\hid#saitekkeyboard#2&1e0e23ca&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=06A3, Product=5041 (Version 0.1) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Device is a keyboard 
  Usage Page: 1 
  Input Report Byte Length: 9 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 2 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 110 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  ************************************************************************** 
  Device at "\\?\hid#saitekmouse#2&7354a6f&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=06A3, Product=5021 (Version 0.1) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Device is a mouse 
  Usage Page: 1 
  Input Report Byte Length: 5 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 2 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 3 
  Number of InputData Indices: 8 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Buttons range 1 -> 5 at indices 0 -> 4 
  Value Wh at index 5, range -127 -> 127, using 8 bits 
  Value Y at index 6, range -127 -> 127, using 8 bits 
  Value X at index 7, range -127 -> 127, using 8 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_047f&pid_ad01&mi_03#8&1d9222b5&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=047F, Product=AD01 (Version 1.0) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Usage Page: C 
  Input Report Byte Length: 5 
  Output Report Byte Length: 5 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 5 
  Number of InputValue Caps: 1 
  Number of InputData Indices: 6 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 1 
  Number of Output Data Indices: 1 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Value 0x00 at index 5, range 0 -> 255, using 8 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_04f3&pid_0103&mi_00#8&233fb5c3&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=04F3, Product=0103 (Version 1.7) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Device is a keyboard 
  Usage Page: 1 
  Input Report Byte Length: 9 
  Output Report Byte Length: 2 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 2 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 154 
  Number of Output Button Caps: 1 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 3 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  ************************************************************************** 
  Device at "\\?\hid#vid_04f3&pid_0103&mi_01&col01#8&3b034208&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=04F3, Product=0103 (Version 1.7) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Usage Page: C 
  Input Report Byte Length: 3 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 573 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  ************************************************************************** 
  Device at "\\?\hid#vid_04f3&pid_0103&mi_01&col02#8&3b034208&0&0001#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=04F3, Product=0103 (Version 1.7) 
  Manufacturer= 
  Product= 
  Serial Number= 
  Usage Page: 1 
  Input Report Byte Length: 2 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 3 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  ************************************************************************** 
  Device at "\\?\hid#vid_068e&pid_00f2#7&9f75593&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=068E, Product=00F2 (Version 0.0) 
  Manufacturer= CH PRODUCTS 
  Product= CH PRO PEDALS USB 
  Serial Number= 
  Usage Page: 1 
  Input Report Byte Length: 4 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 2 
  Number of Input Button Caps: 0 
  Number of InputValue Caps: 3 
  Number of InputData Indices: 3 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Value Z at index 0, range 0 -> 255, using 8 bits 
  Value Y at index 1, range 0 -> 255, using 8 bits 
  Value X at index 2, range 0 -> 255, using 8 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_068e&pid_00fa#7&77647a4&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=068E, Product=00FA (Version 0.0) 
  Manufacturer= CH PRODUCTS 
  Product= CH THROTTLE QUADRANT 
  Serial Number= 
  Usage Page: 1 
  Input Report Byte Length: 9 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 2 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 6 
  Number of InputData Indices: 18 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Buttons range 1 -> 12 at indices 6 -> 17 
  Value R/RZ at index 0, range 0 -> 255, using 8 bits 
  Value V/RY at index 1, range 0 -> 255, using 8 bits 
  Value U/RX at index 2, range 0 -> 255, using 8 bits 
  Value Z at index 3, range 0 -> 255, using 8 bits 
  Value Y at index 4, range 0 -> 255, using 8 bits 
  Value X at index 5, range 0 -> 255, using 8 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_068e&pid_00ff#7&dddbe2b&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=068E, Product=00FF (Version 0.0) 
  Manufacturer= CH PRODUCTS 
  Product= CH FLIGHT SIM YOKE USB 
  Serial Number= 
  Usage Page: 1 
  Input Report Byte Length: 8 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 2 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 6 
  Number of InputData Indices: 18 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Buttons range 1 -> 12 at indices 6 -> 17 
  Value V/RY at index 0, range 0 -> 255, using 8 bits 
  Value U/RX at index 1, range 0 -> 255, using 8 bits 
  Value Z at index 2, range 0 -> 255, using 8 bits 
  Value Y at index 3, range 0 -> 255, using 8 bits 
  Value X at index 4, range 0 -> 255, using 8 bits 
  Value POV at index 5, range 1 -> 8, using 4 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_06a3&pid_0cfa#7&266bd11&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=06A3, Product=0CFA (Version 1.145) 
  Manufacturer= Saitek 
  Product= Cyborg R.A.T.9 Wireless Mouse 
  Serial Number= 
  Device is a mouse 
  Usage Page: 1 
  Input Report Byte Length: 8 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 2 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 3 
  Number of InputData Indices: 16 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Buttons range 1 -> 13 at indices 0 -> 12 
  Value Y at index 13, range -32768 -> 32767, using 16 bits 
  Value X at index 14, range -32768 -> 32767, using 16 bits 
  Value Wh at index 15, range -128 -> 127, using 8 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_06a3&pid_0d06#7&e80d60b&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=06A3, Product=0D06 (Version 1.80) 
  Manufacturer= Saitek 
  Product= Pro Flight Multi Panel 
  Serial Number= 
  Usage Page: 1 
  Input Report Byte Length: 4 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 13 
  Number of Link Collection Nodes: 1 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 0 
  Number of InputData Indices: 20 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 2 
  Number of Feature Value Caps: 1 
  Number of Feature Data Indices: 23 
  Buttons range 1 -> 20 at indices 0 -> 19 
  ************************************************************************** 
  Device at "\\?\hid#vid_09f3&pid_0064#7&2d3cf9a4&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=09F3, Product=0064 (Version 2.0) 
  Manufacturer= GoFlight 
  Product= MCP Pro 
  Serial Number= 
  Usage Page: 14 
  Input Report Byte Length: 8 
  Output Report Byte Length: 8 
  Feature Report Byte Length: 8 
  Number of Link Collection Nodes: 16 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 1 
  Number of InputData Indices: 33 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 8 
  Number of Output Data Indices: 8 
  Number of Feature Button Caps: 1 
  Number of Feature Value Caps: 1 
  Number of Feature Data Indices: 33 
  Buttons range 1 -> 32 at indices 1 -> 32 
  Value Dial at index 0, range -8 -> 7, using 4 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_09f3&pid_0200#7&2b617b89&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=09F3, Product=0200 (Version 2.0) 
  Manufacturer= GoFlight 
  Product= TQ6 
  Serial Number= 00080 7 
  Usage Page: 1 
  Input Report Byte Length: 8 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 0 
  Number of Link Collection Nodes: 2 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 6 
  Number of InputData Indices: 10 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 0 
  Number of Feature Value Caps: 0 
  Number of Feature Data Indices: 0 
  Buttons range 1 -> 4 at indices 6 -> 9 
  Value R/RZ at index 0, range 0 -> 255, using 8 bits 
  Value V/RY at index 1, range 0 -> 255, using 8 bits 
  Value U/RX at index 2, range 0 -> 255, using 8 bits 
  Value Z at index 3, range 0 -> 255, using 8 bits 
  Value Y at index 4, range 0 -> 255, using 8 bits 
  Value X at index 5, range 0 -> 255, using 8 bits 
  ************************************************************************** 
  Device at "\\?\hid#vid_09f3&pid_0300#7&10db81de&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}" 
  Vendor=09F3, Product=0300 (Version 1.2) 
  Manufacturer= GoFlight 
  Product= GF EFIS 
  Serial Number= 
  Usage Page: 14 
  Input Report Byte Length: 8 
  Output Report Byte Length: 0 
  Feature Report Byte Length: 8 
  Number of Link Collection Nodes: 15 
  Number of Input Button Caps: 1 
  Number of InputValue Caps: 1 
  Number of InputData Indices: 33 
  Number of Output Button Caps: 0 
  Number of Output Value Caps: 0 
  Number of Output Data Indices: 0 
  Number of Feature Button Caps: 1 
  Number of Feature Value Caps: 9 
  Number of Feature Data Indices: 41 
  Buttons range 1 -> 32 at indices 1 -> 32 
  Value Dial at index 0, range -8 -> 7, using 4 bits 
  ************************************************************************** 
Cheers Petr