Italian B4J - Help ... Win10+Java8 ... Java Crash

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6bdb484e, pid=9756, tid=9968
#
# JRE version: Java(TM) SE Runtime Environment (8.0_60-b27) (build 1.8.0_60-b27)
# Java VM: Java HotSpot(TM) Client VM (25.60-b23 mixed mode windows-x86 )
# Problematic frame:
# V  [jvm.dll+0xe484e]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp
#

---------------  T H R E A D  ---------------

Current thread (0x1bfad000):  JavaThread "Thread-4" daemon [_thread_in_vm, id=9968, stack(0x1eb60000,0x1ebb0000)]

siginfo: ExceptionCode=0xc0000005, reading address 0x00000000

Registers:
EAX=0x00000000, EBX=0x1c387880, ECX=0x1bfad000, EDX=0x0000009f
ESP=0x1ebaf21c, EBP=0x1ebaf238, ESI=0x00000000, EDI=0x1bfad000
EIP=0x6bdb484e, EFLAGS=0x00010246

Top of Stack: (sp=0x1ebaf21c)
0x1ebaf21c:   1c38788c 1bfad140 1c387880 1bfad000
0x1ebaf22c:   1bd6265c 0000009f 6bfacd50 00000000
0x1ebaf23c:   640018fc 1bfad140 00000000 00000000
0x1ebaf24c:   00000002 1ebaf278 1ebaf2b8 00000000
0x1ebaf25c:   09c70e00 1ebaf260 00000000 00000000
0x1ebaf26c:   00000734 00000000 00000000 00000000
0x1ebaf27c:   00000000 1bfad000 02787c01 1bf62478
0x1ebaf28c:   00000000 0a8fb1a0 1bfad000 1ebaf2c8

Instructions: (pc=0x6bdb484e)
0x6bdb482e:   c4 08 83 7f 04 00 89 7d f0 c7 45 f4 00 00 00 00
0x6bdb483e:   74 08 8d 4d f0 e8 f8 0f 0c 00 8b 75 10 8b 45 0c
0x6bdb484e:   8b 10 85 f6 78 32 8b 45 14 85 c0 78 2b 8d 0c 06
0x6bdb485e:   3b 4a 08 77 23 85 c0 7e 3b 8b 4a 04 8b 49 04 83


Register to memory mapping:

EAX=0x00000000 is an unknown value
EBX=0x1c387880 is an unknown value
ECX=0x1bfad000 is a thread
EDX=0x0000009f is an unknown value
ESP=0x1ebaf21c is pointing into the stack for thread: 0x1bfad000
EBP=0x1ebaf238 is pointing into the stack for thread: 0x1bfad000
ESI=0x00000000 is an unknown value
EDI=0x1bfad000 is a thread


Stack: [0x1eb60000,0x1ebb0000],  sp=0x1ebaf21c,  free space=316k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [jvm.dll+0xe484e]
C  [jSSC-2.8_x86.dll+0x18fc]

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J 1196  jssc.SerialNativeInterface.getBuffersBytesCount(J)[I (0 bytes) @ 0x0277461d [0x027745d0+0x4d]
J 1228 C1 anywheresoftware.b4j.serial.Serial$1.read([BII)I (92 bytes) @ 0x0277dd88 [0x0277dd40+0x48]
j  anywheresoftware.b4j.serial.Serial$1.read([B)I+5
j  anywheresoftware.b4a.randomaccessfile.AsyncStreams$AIN.run()V+18
j  java.lang.Thread.run()V+11
v  ~StubRoutines::call_stub