Ernie, wondering if you could help me.  I have the PAOB Fokker 50 payware aircraft.  I used the panel.cfg from your retrofit page.  It works, however, after programming the FMS and setting up the flight, the FMS, and EHSI control panel won't open anymore when I press the FMS and EHSI Cntrl buttons on the panel.  I tried modifying it with my own modifications (shown below) with the same result.  Any idea why the gauges won't open anymore after a while, even though they did earlier?  Thanks for your help.
// This Panel.cfg file created by FS Panel Studio panel editor utility - 
http://www.fspanelstudio.com// Built Friday, October 30, 2009 at 14:18 FSPS Build:20207
[Window Titles]
Window00=Main Cockpit Panel
Window01=Overhead Panel
Window02=Pedestal
Window03=GPS
Window04=Checklists
Window05=CAP Panel
Window06=Options Panel
Window07=ISG1!GNSXLS
Window08=isg1!MCU
Window09=isg1!EFS50_EHSI_CNTR
[VIEWS]
VIEW_FORWARD_WINDOWS=0,20,GPS_PANEL,ANNUNCIATOR_PANEL,ANNUNCIATOR2_PANEL,25,150
VIEW_FORWARD_RIGHT_UP_WINDOWS=39
VIEW_FORWARD_RIGHT_UP_EYE=1.000, -0.400, -9.000
VIEW_FORWARD_RIGHT_UP_DIR=9.000, 0.000, 210.000
VIEW_REAR_RIGHT_UP_WINDOWS=42
VIEW_REAR_RIGHT_UP_EYE=1.180, 0.000, 0.050
VIEW_REAR_RIGHT_UP_DIR=9.000, 0.000, 147.000
VIEW_REAR_LEFT_UP_EYE=-0.350, 0.000, 0.050
VIEW_REAR_LEFT_UP_DIR=9.000, 0.000, 210.000
VIEW_FORWARD_LEFT_UP_WINDOWS=40
VIEW_FORWARD_LEFT_UP_EYE=-0.110, -0.900, -12.000
VIEW_FORWARD_LEFT_UP_DIR=9.000, 0.000, 330.000
//--------------------------------------------------------
[Window00]
file=Main.bmp 
size_mm=1280
window_size_ratio=1.000  
position=0
visible=1
ident=10010
zorder=0
gauge00=PAOB_F50!Airspeed,  136,551,118,118
gauge01=PAOB_F50!Altimeter,  542,551,120,120
gauge02=PAOB_F50!Brake_Pressure_Alternate,  826,886,46,45
gauge03=PAOB_F50!Brake_Pressure_Normal,  763,886,46,45
gauge04=PAOB_F50!DME,  147,845,118,56
gauge05=PAOB_F50!EFIS_Control_Panel,  453,316,244,101
gauge06=PAOB_F50!ITT1,  873,600,75,75
gauge07=PAOB_F50!ITT2,  1085,600,75,75
gauge08=PAOB_F50!Oil_Pressure1,  963,660,48,48
gauge09=PAOB_F50!Oil_Pressure2,  1020,660,48,48
gauge10=PAOB_F50!Oil_Temperature1,  962,723,49,48
gauge11=PAOB_F50!Oil_Temperature2,  1019,723,49,48
gauge12=PAOB_F50!Nh1,  871,690,78,77
gauge13=PAOB_F50!Nh2,  1083,690,78,77
gauge14=PAOB_F50!Nl1,  870,  783 ,79,79
gauge15=PAOB_F50!Nl2,  1083,783,79,79
gauge16=PAOB_F50!Np1,  871,507,77,76
gauge17=PAOB_F50!Np2,  1084,507,77,76
gauge18=PAOB_F50!Engine_Rating_Panel,  949,873,114,63
gauge19=PAOB_F50!Torque1,  962,470,44,138
gauge20=PAOB_F50!Torque2,  1025,470,44,138
gauge21=PAOB_F50!Flaps,  1185,870,75,75
gauge22=PAOB_F50!Flight_Mode_Panel,  802,322,424,96
gauge23=PAOB_F50!Fuel_Flow,  958,787,115,74
gauge24=PAOB_F50!Fuel_Quantity,  1188,778,70,70
gauge25=PAOB_F50!Gear,  1188,536,52,167
gauge26=PAOB_F50!GPWS,  136,890,136,69
gauge27=PAOB_F50!GPWS_Light,  559,498,17,17
gauge28=PAOB_F50!RMI,  134,698,120,119
gauge29=PAOB_F50!RMI_Selector,  45,728,62,61
gauge30=PAOB_F50!Timer,  635,848,92,92
gauge31=PAOB_F50!VHF_NAV_Control_Panel,  701,317,98,100
gauge32=PAOB_F50!VSI,  541,697,122,122
gauge33=PAOB_F50!Lo_Pitch1,  912,482,27,6
gauge34=PAOB_F50!Lo_Pitch2,  1094,482,27,6
gauge35=PAOB_F50!OAT,  1115,896,31,18
gauge36=PAOB_F50!Standby_Horizon,  760,475,93,93
gauge37=PAOB_F50!Feather,  897,887,26,26
gauge38=PAOB_F50!CAP,  769,605,76,223
gauge39=PAOB_F50!MCW,  414,347,31,61
gauge40=PAOB_F50!EADI,  296,486,206,166
gauge41=PAOB_F50!Slip,  376,656,49,13
gauge42=PAOB_F50!Window Select,  589,457,67,63
gauge43=PAOB_F50!VHF_NAV_Control_Panel,  1228,317,98,100
gauge44=PAOB_F50!ATC,  71,593,29,28
gauge45=PAOB_F50!Map,  559,851,29,28
gauge46=ISG1!FMS_OPEN,  41,865,29,29
gauge47=ISG1!EFS50_EHSI_NB,  298,709,200,162
gauge48=ISG1!LNAV,  41,831,29,29
gauge49=ISG1!VNAV,  67,831,29,29
gauge50=isg1!EHSI_CNTR_OPEN,67,865,29,29
gauge51=isg1!MCU_OPEN, 41,897, 29,29
//--------------------------------------------------------
[Window01]
file=Overhead.bmp 
size_mm=642,960
window_size_ratio=1.000  
position=0
visible=0
ident=10020
zorder=1
gauge00=PAOB_F50!Anti-ice,  438,453,191
gauge01=PAOB_F50!APU,  445,738,178
gauge02=PAOB_F50!Cabin_Pressure_1,  29,747,98
gauge03=PAOB_F50!Cabin_Pressure_2,  231,756,75
gauge04=PAOB_F50!Cabin_Pressure_3,  209,747,202
gauge05=PAOB_F50!Electric,  21,282,178
gauge06=PAOB_F50!Emergency_Lights,  25,631,169,85
gauge07=PAOB_F50!External_Lights_and_Cabin,  24,875,604
gauge08=PAOB_F50!Fuel,  231,211,184
gauge09=PAOB_F50!Hydraulic,  235,51,188
gauge10=PAOB_F50!Starter,  226,540,195
gauge11=PAOB_F50!PropEC,  237,453,170
gauge12=PAOB_F50!EngineFire1,  9,16,190
gauge13=PAOB_F50!EngineFire2,  444,14,190,121
gauge14=PAOB_F50!Avionics,  27,  179 ,166
gauge15=PAOB_F50!Airconditioning,  434,146,197
gauge16=PAOB_F50!Close1,  610,5,26
//--------------------------------------------------------
[Window02]
Background_color=1,1,1 
size_mm=456,378
window_size_ratio=1.000  
position=8
visible=0
ident=10040
window_size= 0.356, 0.394
window_pos= 0.404, 0.606
zorder=3
gauge00=fs9gps!gps_500,  0,0,456,378
gauge01=PAOB_F50!Close3,  400,5,26
//--------------------------------------------------------
[Window03]
file=Pedestal.bmp 
size_mm=793,960
window_size_ratio=1.000  
position=8
visible=0
ident=10030
zorder=2
gauge00=PAOB_F50!Autopilot_Control_Panel,  124,473,201
gauge01=PAOB_F50!Cockpit_Lights,  346,317,104
gauge02=PAOB_F50!Throttlebox,  104,10,583
gauge03=PAOB_F50!ADF1,  216,314,102
gauge04=PAOB_F50!ADF2,  477,314,102
gauge05=PAOB_F50!COM1,  113,314,102
gauge06=PAOB_F50!COM2,  580,314,102
gauge07=PAOB_F50!Transponder1,  477,452,102
gauge08=PAOB_F50!Transponder2,  580,452,102
gauge09=PAOB_F50!Trim_Elevator,  29,30,50
gauge10=PAOB_F50!Trim_Elevator,  711,30,50
gauge11=PAOB_F50!Trim_Aileron,  295,883,205
gauge12=PAOB_F50!Trim_Rudder,  301,689,195
gauge13=PAOB_F50!Flight_Controls_Lock,  162,697,101
gauge14=PAOB_F50!Alternate_Gear,  536,  697 ,101
gauge15=PAOB_F50!Selcal,  497,586,166
gauge16=PAOB_F50!Close2,  764,5,26
gauge17=PAOB_F50!Trim_Elevator_Left,  91,106,50
gauge18=PAOB_F50!Trim_Elevator_Right,  650,106,50
//--------------------------------------------------------
[Window04]
file=Checklist.bmp 
file_1024=Checklist.bmp 
file_1024_night=Checklist.bmp 
size_mm=300,600
window_size_ratio=1.000  
position=3
visible=0
ident=10050
zorder=4
gauge00=PAOB_F50!Checklist,  12,21,276,566
//--------------------------------------------------------
[Window05]
file=CAP.bmp 
size_mm=309,768
window_size_ratio=1.000  
position=0
visible=0
ident=10060
zorder=5
gauge00=PAOB_F50!CAP_Panel,  1,0,308,768
//--------------------------------------------------------
[Window06]
file=Option.bmp 
file_1024=Option.bmp 
file_1024_night=Option.bmp 
size_mm=400,300
window_size_ratio=1.000  
position=4
visible=0
ident=10080
zorder=6
gauge00=PAOB_F50!Options,  15,25,370,261
//--------------------------------------------------------
[Window07]
Background_color=0,0,0 
size_mm=330,550
window_size_ratio=1.000  
position=0
visible=0
ident=4004
window_size= 0.330, 0.550
window_pos= 0.672, 0.457
gauge00=isg1!GNSXLS,0,10,329,268,WN
//--------------------------------------------------------
[Window08]
Background_color=0,0,0 
size_mm=330,550
window_size_ratio=1.000  
position=0
visible=0
ident=4001
window_size= 0.330, 0.550
window_pos= 0.672, 0.457
gauge00=isg1!MCU,-1,366,329,183,WN
//--------------------------------------------------------
[Window09]
Background_color=0,0,0 
size_mm=330,550
window_size_ratio=1.000  
position=0
visible=0
ident=4007
window_size= 0.330, 0.550
window_pos= 0.672, 0.457
gauge00=isg1!EFS50_EHSI_CNTR,  -1,278,329,88,WN
//--------------------------------------------------------
[Vcockpit01]
Background_color=0,0,0 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$mainvc_left
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Airspeed,  147,300,145,145
gauge01=PAOB_F50!Altimeter,  693,298,150,151
gauge02=PAOB_F50!DME,  165,682,143,63
gauge03=PAOB_F50!GPWS,  167,776,161,78
gauge04=PAOB_F50!GPWS_Light,  706,202,38,38
gauge05=PAOB_F50!RMI,  145,492,150
gauge06=PAOB_F50!RMI_Selector,  21,538,89,95
gauge07=PAOB_F50!Timer,  850,704,136
gauge08=PAOB_F50!VSI,  693,493,149
gauge09=PAOB_F50!EADI,  351,215,281,210
gauge10=PAOB_F50!Slip,  455,436,76,21
gauge11=PAOB_F50!Window Select,  759,162,86,81
gauge12=ISG1!EFS50_EHSI_NB,  353,508,279,212
//--------------------------------------------------------
[Vcockpit02]
Background_color=0,0,0 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$mainvc_right
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Airspeed,  166,331,132
gauge01=PAOB_F50!Altimeter,  683,329,141
gauge02=PAOB_F50!DME,  175,696,128,56
gauge03=PAOB_F50!RMI,  165,513,136
gauge04=PAOB_F50!RMI_Selector,  41,558,89
gauge05=PAOB_F50!Timer,  868,715,127
gauge06=PAOB_F50!VSI,  681,512,141
gauge07=PAOB_F50!EADI,  359,247,260,194
gauge08=PAOB_F50!Slip,  457,454,76,21
gauge09=PAOB_F50!Window Select,  234,206,62,70
gauge10=PAOB_FK50_altim,  14,174,117,118
gauge11=ISG1!EFS50_EHSI_NB,  368,528,254,193
//--------------------------------------------------------
[Vcockpit03]
Background_color=0,0,0 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$mainvc_center
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Brake_Pressure_Alternate,  155,811,77,77
gauge01=PAOB_F50!Brake_Pressure_Normal,  30,811,77,77
gauge02=PAOB_F50!ITT1,  269,330,111,111
gauge03=PAOB_F50!ITT2,  655,331,102,102
gauge04=PAOB_F50!Oil_Pressure1,  426,418,79,79
gauge05=PAOB_F50!Oil_Pressure2,  541,418,79,79
gauge06=PAOB_F50!Oil_Temperature1,  426,517,79,79
gauge07=PAOB_F50!Oil_Temperature2,  540,517,79,79
gauge08=PAOB_F50!Nh1,  276,475,100,100
gauge09=PAOB_F50!Nh2,  659,475,100,100
gauge10=PAOB_F50!Nl1,  276,614,102,102
gauge11=PAOB_F50!Nl2,  659,614,102,102
gauge12=PAOB_F50!Np1,  274,192,102,102
gauge13=PAOB_F50!Np2,  658,192,102,102
gauge14=PAOB_F50!Engine_Rating_Panel,  408,  755 ,192,110
gauge15=PAOB_F50!Torque1,  430,136,64,185
gauge16=PAOB_F50!Torque2,  545,136,64,184
gauge17=PAOB_F50!Flaps,  855,759,100,100
gauge18=PAOB_F50!Fuel_Flow,  393,622,251,114
gauge19=PAOB_F50!Fuel_Quantity,  849,616,114,115
gauge20=PAOB_F50!Gear VC,  817,226,128,279
gauge21=PAOB_F50!Lo_Pitch1,  325,148,40,10
gauge22=PAOB_F50!Lo_Pitch2,  661,147,40,10
gauge23=PAOB_F50!OAT,  689,795,55,34
gauge24=PAOB_F50!Standby_Horizon,  34,124,186,186
gauge25=PAOB_F50!Feather,  314,782,44,43
gauge26=PAOB_F50!CAP,  35,357,185,383
//--------------------------------------------------------
[Vcockpit04]
Background_color=0,0,0 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$NAV_left
window_pos= 0.000, 0.000
gauge00=PAOB_F50!EFIS_Control_Panel,  -48,327,1130,460
//--------------------------------------------------------
[Vcockpit05]
Background_color=0,0,0 
size_mm=256,256
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=256, 256
texture=$VHF_NAV_left
window_pos= 0.000, 0.000
gauge00=PAOB_F50!VHF_NAV_Control_Panel,  23,17,211,216
//--------------------------------------------------------
[Vcockpit06]
Background_color=0,0,0 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$mainvc_Ped
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Autopilot_Control_Panel,  95,246,310
gauge01=PAOB_F50!Cockpit_Lights,  438,7,161
gauge02=PAOB_F50!ADF1,  237,3,153
gauge03=PAOB_F50!ADF2,  644,1,156
gauge04=PAOB_F50!COM1,  77,4,154
gauge05=PAOB_F50!COM2,  802,-1,159
gauge06=PAOB_F50!Transponder1,  644,220,154
gauge07=PAOB_F50!Transponder2,  805,220,154
gauge08=PAOB_F50!Trim_Aileron,  358,881,316
gauge09=PAOB_F50!Trim_Rudder,  369,583,301
gauge10=PAOB_F50!Selcal,  669,422,264,69
//--------------------------------------------------------
[Vcockpit07]
Background_color=0,0,0 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$flight_mode
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Flight_Mode_Panel,  3,396,1011,220
//--------------------------------------------------------
[Vcockpit08]
file_1024=$over_h_1.bmp 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$over_h_1
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Fuel,  369,651,293,340
gauge01=PAOB_F50!Hydraulic,  377,396,296
gauge02=PAOB_F50!EngineFire1,  12,338,307
gauge03=PAOB_F50!EngineFire2,  706,337,305,189
gauge04=PAOB_F50!Avionics,  45,601,263,87
gauge05=PAOB_F50!Airconditioning,  692,548,315
gauge06=PAOB_F50!Electric,  34,763,285,543
//--------------------------------------------------------
[Vcockpit09]
file_1024=$over_h_2.bmp 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$over_h_2
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Anti-ice,  699,14,303
gauge01=PAOB_F50!Electric,  33,-259,285,543
gauge02=PAOB_F50!Emergency_Lights,  39,302,270,134
gauge03=PAOB_F50!Starter,  360,152,314,214
gauge04=PAOB_F50!PropEC,  377,13,270,107
//--------------------------------------------------------
[Vcockpit10]
file_1024=$over_h_3.bmp 
size_mm=1024,1024
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=1024, 1024
texture=$over_h_3
window_pos= 0.000, 0.000
gauge00=PAOB_F50!APU,  712,24,280,178
gauge01=PAOB_F50!Cabin_Pressure_1,  45,35,161,160
gauge02=PAOB_F50!Cabin_Pressure_3,  334,38,321
gauge03=PAOB_F50!External_Lights_and_Cabin,  39,241,961,129
gauge04=PAOB_F50!Cabin_Pressure_2,  366,49,125
//--------------------------------------------------------
[Vcockpit11]
Background_color=0,0,0 
size_mm=256,256
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=256, 256
texture=$warn
window_pos= 0.000, 0.000
gauge00=PAOB_F50!MCW,  129,24,101
//--------------------------------------------------------
[Vcockpit12]
Background_color=0,0,0 
size_mm=512,512
window_size_ratio=1.000  
visible=0
window_size= 1.000, 1.000
pixel_size=191, 512
texture=$trim_ele
window_pos= 0.000, 0.000
gauge00=PAOB_F50!Trim_Elevator_Left,  189,111,131,258
[Color]
Day=255,255,255
Night=85,75,55
Luminous=245,225,180
[Default View]
X=0
Y=0
SIZE_X=8192
SIZE_Y=2496