You're including it wrong, so it's looking in the wrong place for the file. Includes can be done with the file in <>'s or ""'s, and those don't mean the same thing - or the file could just flat out be in the wrong place.
Line 28 of TouchScreenMenuTest.ino contains an include of cstddef.h which is not found in any library path.
Try changing that line to: #include <stddef.h>
Sorry I changed it and it still showed same error but I think java stopped working I had to reboot Think windows 10 has a bug with java it's stopped two times today.
But here what it's saying now.
Arduino: 1.6.5 (Windows 8.1), Board: "Arduino/Genuino Uno"
Build options changed, rebuilding all
Using library TouchScreenMenu in folder: C:\Users\be80b\Documents\Arduino\libraries\TouchScreenMenu (legacy)
Using library TouchScreen in folder: C:\Users\be80b\Documents\Arduino\libraries\TouchScreen (legacy)
Using library TFT in folder: C:\Users\be80b\Documents\Arduino\libraries\TFT (legacy)
C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10605 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard -IC:\Users\be80b\Documents\Arduino\libraries\TouchScreenMenu -IC:\Users\be80b\Documents\Arduino\libraries\TouchScreen -IC:\Users\be80b\Documents\Arduino\libraries\TFT C:\Users\be80b\AppData\Local\Temp\build6348259041131335518.tmp\TouchScreenMenuTest.cpp -o C:\Users\be80b\AppData\Local\Temp\build6348259041131335518.tmp\TouchScreenMenuTest.cpp.o
ToScMeTest.ino:31:34: error: redefinition of 'TouchScreenMenuItem subMenuItems []'
TouchScreenMenuTest.ino:31:21: error: 'TouchScreenMenuItem subMenuItems [7]' previously declared here
ToScMeTest.ino:42:38: error: redefinition of 'TouchScreenMenuItem leftSubMenuItems []'
TouchScreenMenuTest.ino:42:21: error: 'TouchScreenMenuItem leftSubMenuItems [7]' previously declared here
ToScMeTest.ino:53:39: error: redefinition of 'TouchScreenMenuItem rightSubMenuItems []'
TouchScreenMenuTest.ino:53:21: error: 'TouchScreenMenuItem rightSubMenuItems [7]' previously declared here
ToScMeTest.ino:64:41: error: redefinition of 'TouchScreenMenuItem spacingSubMenuItems []'
TouchScreenMenuTest.ino:64:21: error: 'TouchScreenMenuItem spacingSubMenuItems [4]' previously declared here
ToScMeTest.ino:72:41: error: redefinition of 'TouchScreenMenuItem paddingSubMenuItems []'
TouchScreenMenuTest.ino:72:21: error: 'TouchScreenMenuItem paddingSubMenuItems [4]' previously declared here
ToScMeTest.ino:80:39: error: redefinition of 'TouchScreenMenuItem smallSubMenuItems []'
TouchScreenMenuTest.ino:80:21: error: 'TouchScreenMenuItem smallSubMenuItems [11]' previously declared here
ToScMeTest.ino:95:35: error: redefinition of 'TouchScreenMenuItem mainMenuItems []'
TouchScreenMenuTest.ino:95:21: error: 'TouchScreenMenuItem mainMenuItems [5]' previously declared here
ToScMeTest.ino:104:17: error: redefinition of 'TouchScreenMenu paddingSubMenu'
TouchScreenMenuTest.ino:104:17: error: 'TouchScreenMenu paddingSubMenu' previously declared here
ToScMeTest.ino:105:17: error: redefinition of 'TouchScreenMenu spacingSubMenu'
TouchScreenMenuTest.ino:105:17: error: 'TouchScreenMenu spacingSubMenu' previously declared here
ToScMeTest.ino:106:17: error: redefinition of 'TouchScreenMenu smallSubMenu'
TouchScreenMenuTest.ino:106:17: error: 'TouchScreenMenu smallSubMenu' previously declared here
ToScMeTest.ino:107:17: error: redefinition of 'TouchScreenMenu rightSubMenu'
TouchScreenMenuTest.ino:107:17: error: 'TouchScreenMenu rightSubMenu' previously declared here
ToScMeTest.ino:108:17: error: redefinition of 'TouchScreenMenu leftSubMenu'
TouchScreenMenuTest.ino:108:17: error: 'TouchScreenMenu leftSubMenu' previously declared here
ToScMeTest.ino:109:17: error: redefinition of 'TouchScreenMenu subMenu'
TouchScreenMenuTest.ino:109:17: error: 'TouchScreenMenu subMenu' previously declared here
ToScMeTest.ino:110:17: error: redefinition of 'TouchScreenMenu mainMenu'
TouchScreenMenuTest.ino:110:17: error: 'TouchScreenMenu mainMenu' previously declared here
ToScMeTest.ino:113:18: error: redefinition of 'TouchScreenMenu* curMenu'
TouchScreenMenuTest.ino:113:18: error: 'TouchScreenMenu* curMenu' previously defined here
ToScMeTest.ino:115:17: error: redefinition of 'TouchScreenArea backFromGfx'
TouchScreenMenuTest.ino:115:17: error: 'TouchScreenArea backFromGfx' previously declared here
ToScMeTest.ino:116:17: error: redefinition of 'TouchScreenArea backFromBtns'
TouchScreenMenuTest.ino:116:17: error: 'TouchScreenArea backFromBtns' previously declared here
ToScMeTest.ino:117:17: error: redefinition of 'TouchScreenArea backFromLbls'
TouchScreenMenuTest.ino:117:17: error: 'TouchScreenArea backFromLbls' previously declared here
ToScMeTest.ino:119:24: error: redefinition of 'TouchScreenArrowButton btn1'
TouchScreenMenuTest.ino:119:24: error: 'TouchScreenArrowButton btn1' previously declared here
ToScMeTest.ino:120:24: error: redefinition of 'TouchScreenArrowButton btn2'
TouchScreenMenuTest.ino:120:24: error: 'TouchScreenArrowButton btn2' previously declared here
ToScMeTest.ino:121:24: error: redefinition of 'TouchScreenArrowButton btn3'
TouchScreenMenuTest.ino:121:24: error: 'TouchScreenArrowButton btn3' previously declared here
ToScMeTest.ino:122:24: error: redefinition of 'TouchScreenArrowButton btn4'
TouchScreenMenuTest.ino:122:24: error: 'TouchScreenArrowButton btn4' previously declared here
ToScMeTest.ino:123:25: error: redefinition of 'TouchScreenCircleButton btn5'
TouchScreenMenuTest.ino:123:25: error: 'TouchScreenCircleButton btn5' previously declared here
ToScMeTest.ino:124:25: error: redefinition of 'TouchScreenCircleButton btn6'
TouchScreenMenuTest.ino:124:25: error: 'TouchScreenCircleButton btn6' previously declared here
ToScMeTest.ino:125:19: error: redefinition of 'TouchScreenSlider btn7'
TouchScreenMenuTest.ino:125:19: error: 'TouchScreenSlider btn7' previously declared here
ToScMeTest.ino:126:19: error: redefinition of 'TouchScreenSlider btn8'
TouchScreenMenuTest.ino:126:19: error: 'TouchScreenSlider btn8' previously declared here
ToScMeTest.ino:128:17: error: redefinition of 'TouchScreenArea lbl1'
TouchScreenMenuTest.ino:128:17: error: 'TouchScreenArea lbl1' previously declared here
ToScMeTest.ino:129:17: error: redefinition of 'TouchScreenArea lbl2'
TouchScreenMenuTest.ino:129:17: error: 'TouchScreenArea lbl2' previously declared here
ToScMeTest.ino:130:17: error: redefinition of 'TouchScreenArea lbl3'
TouchScreenMenuTest.ino:130:17: error: 'TouchScreenArea lbl3' previously declared here
ToScMeTest.ino:131:17: error: redefinition of 'TouchScreenArea lbl4'
TouchScreenMenuTest.ino:131:17: error: 'TouchScreenArea lbl4' previously declared here
ToScMeTest.ino:132:17: error: redefinition of 'TouchScreenArea lbl5'
TouchScreenMenuTest.ino:132:17: error: 'TouchScreenArea lbl5' previously declared here
ToScMeTest.ino:133:17: error: redefinition of 'TouchScreenArea lbl6'
TouchScreenMenuTest.ino:133:17: error: 'TouchScreenArea lbl6' previously declared here
ToScMeTest.ino: In function 'void setup()':
ToScMeTest.ino:135:6: error: redefinition of 'void setup()'
TouchScreenMenuTest.ino:135:6: error: 'void setup()' previously defined here
ToScMeTest.ino: In function 'void loop()':
ToScMeTest.ino:145:6: error: redefinition of 'void loop()'
TouchScreenMenuTest.ino:145:6: error: 'void loop()' previously defined here
ToScMeTest.ino: In function 'void checkButtons()':
ToScMeTest.ino:160:6: error: redefinition of 'void checkButtons()'
TouchScreenMenuTest.ino:160:6: error: 'void checkButtons()' previously defined here
ToScMeTest.ino: In function 'void checkMenuSelection(TouchScreenMenuItem*)':
ToScMeTest.ino:203:6: error: redefinition of 'void checkMenuSelection(TouchScreenMenuItem*)'
TouchScreenMenuTest.ino:203:6: error: 'void checkMenuSelection(TouchScreenMenuItem*)' previously defined here
redefinition of 'TouchScreenMenuItem subMenuItems []'
almost looks like you have called the same library twice or have 2 windows open on the same program ( or 2 versions saved with the same name). Maybe be a copy in your app folder.
try opening the program and saving to a different name then shut the ide, restart and load the renamed file.