sermpre in crash

Process: RDP Client [538]
Path: /Applications/RDP Client.app/Contents/MacOS/RDP Client
Identifier: com.theitspecialistsllc.rdpclient
Version: 1.5 (1.5)
App Item ID: 595170531
App External ID: 434462635
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: RDP Client [538]
User ID: 501

Date/Time: 2016-03-23 08:58:31.590 +0100
OS Version: Mac OS X 10.11.4 (15E65)
Report Version: 11
Anonymous UUID: 8980998C-19E2-1B67-7051-4656D9690530

Time Awake Since Boot: 5600 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000018
Exception Note: EXC_CORPSE_NOTIFY

VM Regions Near 0x18:
-->
__TEXT 0000000100000000-000000010004a000 [ 296K] r-x/rwx SM=COW /Applications/RDP Client.app/Contents/MacOS/RDP Client

Application Specific Information:
objc_msgSend() selector name: retain

Global Trace Buffer (reverse chronological seconds):
1.315048 CFNetwork 0x00007fff89cacced TCP Conn 0x1003c4750 complete. fd: 17, err: 0
1.315104 CFNetwork 0x00007fff89d3b5c7 TCP Conn 0x1003c4750 event 1. err: 0
1.367970 CFNetwork 0x00007fff89cabfbf TCP Conn 0x1003c4750 started
7.691376 CFNetwork 0x00007fff89cacced TCP Conn 0x1002d3520 complete. fd: 12, err: 0
7.691564 CFNetwork 0x00007fff89d3b5c7 TCP Conn 0x1002d3520 event 1. err: 0
11.834297 CFNetwork 0x00007fff89cabfbf TCP Conn 0x1002d3520 started
4924.147511 CFNetwork 0x00007fff89cacced TCP Conn 0x100362620 complete. fd: 14, err: 0
4924.147559 CFNetwork 0x00007fff89d3b5c7 TCP Conn 0x100362620 event 1. err: 0
4924.199809 CFNetwork 0x00007fff89cabfbf TCP Conn 0x100362620 started
4930.896076 CFNetwork 0x00007fff89cacced TCP Conn 0x10014bdc0 complete. fd: 14, err: 0
4930.896112 CFNetwork 0x00007fff89d3b5c7 TCP Conn 0x10014bdc0 event 1. err: 0
4930.948888 CFNetwork 0x00007fff89cabfbf TCP Conn 0x10014bdc0 started
4936.955514 CFNetwork 0x00007fff89cacced TCP Conn 0x1003c9f90 complete. fd: 14, err: 0
4936.955553 CFNetwork 0x00007fff89d3b5c7 TCP Conn 0x1003c9f90 event 1. err: 0
4937.008802 CFNetwork 0x00007fff89cabfbf TCP Conn 0x1003c9f90 started

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libobjc.A.dylib 0x00007fff8b3874dd objc_msgSend + 29
1 com.apple.CoreFoundation 0x00007fff8977d189 _CFPreferencesSetValueWithContainer + 153
2 com.apple.Foundation 0x00007fff95dabab0 -[NSUserDefaults(NSUserDefaults) setObject:forKey:] + 46
3 com.apple.AppKit 0x00007fff94dc980f -[NSWindow _setFrame:updateBorderViewSize:] + 581
4 com.apple.AppKit 0x00007fff94de247d -[NSWindow _oldPlaceWindow:] + 1075
5 com.apple.AppKit 0x00007fff94de1852 -[NSWindow _setFrameCommon:display:stashSize:] + 2743
6 com.apple.AppKit 0x00007fff94de0d8c -[NSWindow _setFrame:display:allowImplicitAnimation:stashSize:] + 222
7 com.apple.AppKit 0x00007fff94de0ca7 -[NSWindow setFrame:display:] + 67
8 com.apple.AppKit 0x00007fff94f4bc0e -[NSWindow setValue:forKey:] + 181
9 com.apple.QuartzCore 0x00007fff901f49e0 -[CABasicAnimation applyForTime:presentationObject:modelObject:] + 979
10 com.apple.AppKit 0x00007fff94fd4640 __40+[NSAnimationManager performAnimations:]_block_invoke_2 + 458
11 com.apple.AppKit 0x00007fff94e4a429 NSPerformVisuallyAtomicChange + 147
12 com.apple.AppKit 0x00007fff94fd446f __40+[NSAnimationManager performAnimations:]_block_invoke + 128
13 com.apple.AppKit 0x00007fff94fd4000 +[NSAnimationManager performAnimations:] + 1166
14 com.apple.AppKit 0x00007fff94ef63ee -[NSScreenDisplayLink _fire] + 439
15 com.apple.CoreFoundation 0x00007fff89778b94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
16 com.apple.CoreFoundation 0x00007fff89778823 __CFRunLoopDoTimer + 1075
17 com.apple.CoreFoundation 0x00007fff8977837a __CFRunLoopDoTimers + 298
18 com.apple.CoreFoundation 0x00007fff8976f871 __CFRunLoopRun + 1841
19 com.apple.CoreFoundation 0x00007fff8976eed8 CFRunLoopRunSpecific + 296
20 com.apple.HIToolbox 0x00007fff8afcc935 RunCurrentEventLoopInMode + 235
21 com.apple.HIToolbox 0x00007fff8afcc76f ReceiveNextEventCommon + 432
22 com.apple.HIToolbox 0x00007fff8afcc5af _BlockUntilNextEventMatchingListInModeWithFilter + 71
23 com.apple.AppKit 0x00007fff94d0fefa _DPSNextEvent + 1067
24 com.apple.AppKit 0x00007fff94d0f32a -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
25 com.apple.AppKit 0x00007fff94d03e84 -[NSApplication run] + 682
26 com.apple.AppKit 0x00007fff94ccd46c NSApplicationMain + 1176
27 com.theitspecialistsllc.rdpclient0x0000000100001ee4 0x100000000 + 7908

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff8d74aefa kevent_qos + 10
1 libdispatch.dylib 0x00007fff972ea165 _dispatch_mgr_invoke + 216
2 libdispatch.dylib 0x00007fff972e9dcd _dispatch_mgr_thread + 52

Thread 2:: com.apple.NSEventThread
0 libsystem_kernel.dylib 0x00007fff8d74337c mach_msg + 0
1 com.apple.CoreGraphics 0x00007fff926f668e CGSSnarfAndDispatchDatagrams + 206
2 com.apple.CoreGraphics 0x00007fff926f63e2 CGSGetNextEventRecordInternal + 84
3 com.apple.CoreGraphics 0x00007fff926f62dc C

Giuseppe75a about RDP Client, v1.5