new 2.9.4 no working well.

i installed new version 2.9.4 and have problem, old 2.8.4 working well and no problems, now i have big problems, if i try open new G-code in ro linuxcnc "open code", then search file location windows go all time black screen and go back to login site. same than has boot all computer, why. same this doing if i try open code come black screen and then go back to open file location first 1-2 time and 3 time go main login screen and has closed all linuxcnc and computer.
but if i open g:code  not search rows what file and were have what open, only click open no problem and open code and run cnc good, but if open search rows were file have come all time black screen and go back to main login site again and all softwares has closed, 
sorry my english not can tell better what is problem. same if open linuxcnc sometime screen stay blinking wrong and any buttons not can use, need end linuxcnc software and open again then no blinkink screen and can use normal. blinking mean all pictures blink some have normal some black and display blink ad shake.

masawee wrote:

sorry my english not can tell better what is problem.

You could start by using shorter sentences and upper/lower case letters

AND you should tell us which GUI you are using.