Assertion failed: 0, file ../lnk/exthrow.cc

Hello,
one of my programs aborts sometimes with a coredump and the following
message "Assertion failed: 0, file ../lnk/exthrow.cc, line 338"
I don't understand the message. Can anybody help me.
thanks
OS: SunOS xyz 5.8 Generic_108528-14 sun4u sparc SUNW,Sun-Fire-15000
Forte: CC: Sun WorkShop 6 update 2 C++ 5.3 Patch 111685-09 2002/07/17

Any compiler assertion is a compiler bug. To find the bug, or to determine whether it has already been fixed, we need a reproducible test case. Without a test case, there is no way other than random experimentation to find a workaround.
- Rose

Similar Messages

Assertion failed: 0, file ../lnk/exthrow.cc, line 425 Abort (core dumped)

Hi,
I have a JNI native library that calls a custom C++ shared library with a number of number of dependencies. At runtime, in the process of loading the custom C++ library, I got the folloing message.
Assertion failed: 0, file ../lnk/exthrow.cc, line 425
Abort (core dumped)
If I did mdb on core dump, the following is the result.
mdb java.29922
mdb: core file data for mapping at ffb7a000 not saved: Bad address
Loading modules: [ libc.so.1 libuutil.so.1 ld.so.1 ]
$Cffbf7c90 libc.so.1`_lwp_kill+8(6, 0, ff2f2e10, ff2a8bd0, ffffffff, 6)
ffbf7cf0 libc.so.1`abort+0x110(ffbf7de0, 1, 0, ad314, ff2f12d8, 0)
ffbf7d80 libc.so.1`_assert+0x64(ff1d9358, ff1d935a, 1a9, ff1ea810, ad030, ff1d418c)
ffbf7fe0 libCrun.so.1`__1cG__CrunMex_rethrow_q6F_v_+0xf0(0, fffb, 0, 14c14, 2, 0)
ffbf8040 libtssclt.so.3`__1cDstdNbasic_istream4Ccn0ALchar_traits4Cc___2t6Mn0AIios_baseJEmptyCtor__v_+0xb8(eef09710, 0,
eef0df94, eef0a088, eef09730, eef09748)
ffbf80a0 libtssclt.so.3`__SLIP.INIT_A+0x20(0, ff2f3700, acb18, ff2bb774, f0bd4840, f0bd4880)
ffbf8100 libtssclt.so.3`__1cU__STATIC_CONSTRUCTOR6F_v_+4(ee774a48, ff2f3700, acb18, ff1d6e50, f0bd3b40, f0bd3b80)
ffbf8160 libtssclt.so.3`_init+0x110(ff3f40fc, ff3f5a50, 2b414, 0, ff3f4910, 821)
ffbf81c0 ld.so.1`call_init+0x16c(c10081, 1, fe9d0f60, ee7c5eb4, ff3f4910, ffdfffff)
ffbf8228 ld.so.1`dlmopen_intn+0x164(ff3f40fc, 10000, c01, 24, 3b, ff161f30)
ffbf8288 ld.so.1`dlmopen_check+0x160(ff3f40fc, 10c5c8, c01, ff3914f8, ffbf834c, 0)
ffbf82e8 ld.so.1`dlopen+0x30(10c5c8, 1, 1, ff185fac, 57c0, ff185fa8)
ffbf8350 libjvm.so`__1cCosIdll_load6Fpkcpci_pv_+0x20(10c5c8, ffbf8858, 400, 0, 12eed4, 5400)
ffbf83f0 libjvm.so`JVM_LoadLibrary+0x15c(10c5c8, 64fc, 38810, ff18696c, ff185fac, 2)
ffbf8c58 libjava.so`Java_java_lang_ClassLoader_00024NativeLibrary_load+0xe8(388cc, ffbf8f2c, ffbf8f28, 0, 10c5c8, 0)
ffbf8dc0 0xf900bc20(11, ffbf8f2c, ffbf8ea8, ffffff80, 64fc, 0)
ffbf8e40 0xf900bbc4(f0c303c0, b6, 0, 8, 1ffc, ffbf8ec0)
ffbf8ec0 0xf9005764(f0c30080, b8, f0c09478, f9014760, f0c374a8, ffbf8f90)
ffbf8f58 0xf90057a8(0, b8, ffbf911c, f9014a20, 110, ffbf9028)
ffbf9018 0xf9005764(f0c08de8, b6, ffbf919c, f9014a68, 57c0, ffbf90c0)
ffbf90b8 0xf9005764(339b8, 0, 64fc, f9014760, ff185fac, ffbf9140)
ffbf9140 0xf9005764(c000, 2, 4c00, f9014a70, ff17fca0, ffbf91b8)
ffbf91b8 0xf9000218(ffbf92a0, ffbf9380, a, f4d5f2f8, f900a7e0, ffbf9390)
ffbf9218 libjvm.so`__1cJJavaCallsLcall_helper6FpnJJavaValue_pnMmethodHandle_pnRJavaCallArguments_pnGThread__v_+0x5b8(
ffbf9378, 38810, ffbf938c, ffbf92b0, 38eb8, 0)
ffbf92e0 libjvm.so`__1cNinstanceKlassPinitialize_impl6FnTinstanceKlassHandle_pnGThread__v_+0x68c(ffbf9524, 38810, f4d5f330,
391cc, 38eb8, 38eb4)
ffbf94c0 libjvm.so`__1cNinstanceKlassKinitialize6MpnGThread__v_+0x80(38e20, 38810, fecd7a8c, f4d5f330, 38810, ff181fbc)
ffbf9540 libjvm.so`__1cbCfind_class_from_class_loader6FpnHJNIEnv__nMsymbolHandle_CnGHandle_3CpnGThread__pnH_jclass__+0xd8(
388cc, 1, 1, 38e18, f4d5f330, 1)
ffbf95b0 libjvm.so`jni_FindClass+0x720(388cc, 0, 0, ff18696c, 391cc, 0)
ffbf9640 main+0xe3c(6, 388cc, ff182ba0, 39348, 0, 1)
ffbf9ed0 _start+0x108(0, 0, 0, 0, 0, 0)
Any help/assistance on this issue would be highly appriciated.
Thanks and Regards
Somesh

I ran into this exact same problem (on Solaris, JVM 1.4.1). Although I don't know the exact cause, I can tell you what I did to fix it..
Of course, this happens when you try to load a native library (a .so in this case). I ldd'd that .so, and found that it in turn was linked to two other libraries in my control, and some other OS libraries.
When I statically linked either one of my libraries, such that only one of the libraries under my control was still linked dynamically, leaving the OS libaries untouched, then the problem went away. Note that it didn't matter which one I linked statically- as long as one (or both) were static there was no problem.
My guess was that there were some sort of cyclic dependencies with these libraries, but right now I'm happy enough that it works, so I'm not going to try and pursue this further..

SunStudio 12. 2 throws assertion failed: 0, file ../lnk/exrttiutils.cc

When compiling with SunStudio12 update 2 we get the following:
Assertion failed: 0, file ../lnk/exrttiutils.cc line 215
Since this is not part of our code base, we assume its part of the compiler support stuff. As you can see the error message does not provide us much help in finding where in our code this is occurring, any ideas? We'd love to produce a testcase but don't have clue where to begin...

The assertion is actually coming from the runtime library libCrun.so.1, and it fires when an "impossible" situation (like a corrupted virtual table or exception record) occurs during exception handling. If this assertion happens at compile time, and not run time, some compiler component is at fault.
Please add the following two options to the command line that resulted in the assertion:
-filt=%none -V
The -filt=%none prevents the verbose output (-V) from being scrambled, and the last component listed before the assertion is the one that failed. Please post your results here.
We will then need a test case, but let's be sure what is happening first.

Updated to Adobe Muse CC 2014, 2 days ago and I CANT even open it! It keeps on displaying the same ASSERTION FAILED IN FILE error.

I love muse and have been using for years now. A couple of days ago I was really exited that they had a new version the ADOBE MUSE CC 2014 so I updated it in my laptop. Now it wont even open. I had spent the last 3 days uninstalling and reinstalling MUSE CC 2014 thinking that it would help. But nothing works. I keep on having the same ASSERTION FAILED IN FILE error. At this point I am pretty much desperate and do not know really what to do and to make matters worse I have freelance work that needs to be done and update. If anyone can help I would really appreciated it.
In addition, if anyone from the MUSE CC SUPPORT TEAM is reading this, please work on making access to you guys easier. I honestly could not find a way to talk to anyone from the ADOBE MUSE CC support team about this problem.

I had the same problem but good news is I found the reason of problem and solution;
I was using Windows 7 in English with timezone setting for Turkey. Adobe Muse was in English and had same problem, to solve this issue I even installed new Windows but it happened again.
Solution is easy, I just changed Muse language settings from English to Turkish and so far so good i never had any crash or problem.
Cheers!

Good morning, I have the following problem. I can not start Adobe Muse on my computer because I get a box Assertion Failed in file "... \ src \ ape \ DOMFontProvider.cpp" at line 482: numFontadded = = 1 Doregisterfont fail to add font. Check museapp \ he

Good morning, I have the following problem. I can not start Adobe Muse on my computer because I get a box Assertion Failed in file "... \ src \ ape \ DOMFontProvider.cpp" at line 482: numFontadded = = 1
Doregisterfont fail to add font. Check museapp \ hello \ resources for missing files

Are you still facing the same issue ? if yes then please post the screenshot of exact error and few details such as if you are getting this error while opening a specific file or on double click on Muse itself ?
Thanks,
Sanjit

Assertion failed in file error

I am using the Muse CC 2014 on Windows 8. Need to fix this bug:
Location: Master Page
Click on Browser fill
Select background file. *.png
Error message
When I restart Muse, the background image is there.
Has anyone else seen this. Any suggestions for resolving?

Thank you for the very clear writeup. You're one of a few people who are reporting hitting this particular error. Unfortunately, thus far we haven't been able to figure out how to reproduce this error ourselves, in order to be able to fix it.
Is there any chance you could create a screen recording of you reproducing the error? Our current suspicions are that it may be dependent on exact timing, mouse locations, panel configuration or some other machine or user-specific factor that we're failing to reproduce internally. A screen recording may provide the details we need in order to be able to reproduce and fix this.
A screen recording tool with a free trial plan that I use occasionally is http://www.screencast.com. There are many others.

Adobe muse cc 2014 error says assertion failed in file

am using a windows 8.1 on dell xps 15z and this is been happening since i installed muse cc 2014. can you guys help out as i use this software a lot for my works.when i leave the error code am still able to work but when i click ok it shuts down
help needed pls

Hi,
I got the solution on this forum on another thread.
Go to C:\Program Files (x86)\Common Files\Adobe(if you have 64 bit os, go to Program Files x86). There is a folder called "SLCache", go the properties of that folder & just uncheck the "Read Only" check box.
Hope this may solve your problem.

Compiler error with forte 6.2 - assertion failed in sp_interface.cc

I have a compilation error when compiling on my Ultra 10
using Forte 6.2 C compiler (5.3). Here's the line:
teds@enigma[195]% cc -xtarget=ultra3 -xarch=v8plusb -dalign -fns -fsimple=2 -ftrap=%none -xlibmil !!
cc -xtarget=ultra3 -xarch=v8plusb -dalign -fns -fsimple=2 -ftrap=%none -xlibmil -xO4 -DCMO_DEBUG_DETAIL -DUSE_DATACONN -c cmoisubs.c -o cmoisubs.o
cg: assertion failed in file ../src/ms_pipe/sp_interface.cc at line 689
cg: Internal error: constval annotation set on reg with multiple defs
cg: 1 errors
cc: cg failed for cmoisubs.c
teds@enigma[196]%
Does anyone have any ideas?
Thanks,
Ted

Hi There,
Form the error message it seems like a bug in cg.
Try the follwoing option and see if the bug goes away.
-Qoption cg -O0 or use -Qms_pipe-off.
Please refer C user's guide for usage.
....jagruti
Developers Technical Support
Sun Microsystems, http://www.sun.com/developers/support

Metastat: Assertion failed: nsm == mm- un_nsm, file ../common/meta_mirror.c

Does anyone already had this problem, it happens after i detach 2 submirrors from the 4 way mirrors d120 (in the metaset setname1). The server is a T2000 with Solaris 10.
server1{root}58 # metastat -s setname1 d120
Assertion failed: nsm == mm->un_nsm, file ../common/meta_mirror.c, line 138
metastat: Abort
Abort
Here is the metastat before the operation:
==============================
server1{root}54 # metastat -s setname1 d120
setname1/d120: Mirror
Submirror 0: setname1/d121
State: Okay
Submirror 1: setname1/d122
State: Okay
Submirror 2: setname1/d123
State: Okay
Submirror 3: setname1/d124
State: Okay
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 419397632 blocks (199 GB)
setname1/d121: Submirror of setname1/d120
State: Okay
Size: 419397632 blocks (199 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
/dev/dsk/c5t600A0B8000479B64000009DE49E57FCFd0s0 0 No Okay Yes
setname1/d122: Submirror of setname1/d120
State: Okay
Size: 419397632 blocks (199 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
/dev/dsk/c5t600A0B80004798F40000097F49E57F99d0s0 0 No Okay Yes
setname1/d123: Submirror of setname1/d120
State: Okay
Size: 629096448 blocks (299 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
/dev/dsk/c5t600A0B8000479B6400000BE44A8D3FE0d0s0 0 No Okay Yes
setname1/d124: Submirror of setname1/d120
State: Okay
Size: 629096448 blocks (299 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
/dev/dsk/c5t600A0B80004798F400000B644A8D4094d0s0 0 No Okay Yes
Here is what i type when i done the operation and the error:
============================================
server1{root}56 # metadetach -s setname1 d120 d121
setname1/d120: submirror setname1/d121 is detached
server1{root}57 # metadetach -s setname1d120 d122
setname1/d120: submirror setname1/d122 is detached
server1{root}58 # metastat -s setname1 d120
Assertion failed: nsm == mm->un_nsm, file ../common/meta_mirror.c, line 138
metastat: Abort
Abort
Now i don't know what to do with this??? There is a very important Oracle database on this filesystem. For now the filesystem seem to running correctly but i don't want to touch anything (growfs or reboot or whatever...) cause i am not sure if the status of the d120 is healthy.
Thanks everyone for helping.

No, /etc/system contains no UFS-related or SVM-related customizations except required to boot from metadevice:
set semsys:seminfo_semmni=100
set semsys:seminfo_semmns=8192
set semsys:seminfo_semmsl=256
set shmsys:shminfo_shmmax=8589934592
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=100
set shmsys:shminfo_shmseg=10
* Begin MDD root info (do not edit)
forceload: misc/md_trans
forceload: misc/md_raid
forceload: misc/md_hotspares
forceload: misc/md_sp
forceload: misc/md_stripe
forceload: misc/md_mirror
forceload: drv/pcisch
forceload: drv/glm
forceload: drv/sd
rootdev:/pseudo/md@0:0,10,blk
* End MDD root info (do not edit)
* Start of HPfcraid edits. DO NOT DELETE THIS LINE
forceload: drv/clone
forceload: drv/ssd
set maxphys=8388608
set sd:sd_max_throttle=32
set sd:sd_io_time=180
set ssd:ssd_max_throttle=32
set ssd:ssd_io_time=180
* End of HPfcraid edits. DO NOT DELETE THIS LINE

SWPM - System Copy - Assertion Failed Unable to load database

Hello again,
(already the next question form me, sorry for this
I am executing a sysetm copy (DB-refresh) on ASE using SWPM.
However, in "Configure Components" step I get the error: Assertion failed. Unable to load database <SID of Target Sysetm>.
Where else can I check for errors?
I think it is still something on which I already worked (with other thread).
In sapinst_dev.log I found this
TRACE 2015-03-25 11:05:00.320
SAPInst calls the LogInquirer. The output of the LogInquirer can be found in file sapinst_loginquirer.log.
TRACE 2015-03-25 11:05:06.122 [iaxxgenimp.cpp:638]
 CGuiEngineImp::showMessageBox()
<html> <head> </head> <body> An error occurred while processing option SAP Enhancement Package 1 for SAP N
etWeaver 7.3 > SAP ASE > System Copy > Target System > Standard System > Based on AS ABAP > Database Refresh or M
ove( Last error reported by the step: Assertion failed: Unable to load database <SID>.). You can now: <ul>
<li> Choose Retry to repeat the current step. </li> <li> Choose Log Files to get more inform
ation about the error. </li> <li> Stop the option and continue later. </li> </ul> Log files are written to /t
mp/sapinst_instdir/NW731/SYB/COPY/SYSTEM/STD/AS-ABAP/REF. </body></html>
TRACE 2015-03-25 11:05:06.124 [iaxxgenimp.cpp:1031]
 CGuiEngineImp::acceptAnswerForBlockingRequest
Waiting for an answer from GUI
In sapinst.log I found this:
ERROR 2015-03-25 11:04:59.573
FCO-00011 The step syb_step_setup_preload with step key |NW_ABAP_DB_DBRefresh|ind|ind|ind|ind|0|0|NW_ABAP_DB|ind
|ind|ind|ind|0|0|NW_CreateDBandLoad|ind|ind|ind|ind|createdbandload|0|NW_CreateDB|ind|ind|ind|ind|createdb|0|NW_S
YB_DB|ind|ind|ind|ind|SYB_DB_CONTEXT|0|syb_step_setup_preload was executed with status ERROR ( Last error reporte
d by the step: Assertion failed: Unable to load database <SID>.).
INFO 2015-03-25 11:04:59.772
Creating file /tmp/sapinst_instdir/NW731/SYB/COPY/SYSTEM/STD/AS-ABAP/REF/__instana_tmp.xml.
INFO 2015-03-25 11:05:00.307
Removed file /tmp/sapinst_instdir/NW731/SYB/COPY/SYSTEM/STD/AS-ABAP/REF/instslana.xml.
INFO 2015-03-25 11:05:00.308
Creating file /tmp/sapinst_instdir/NW731/SYB/COPY/SYSTEM/STD/AS-ABAP/REF/instslana.xml.

Hello Kiran,
I did a few tests again yesterday, and it was really a stupid mistake from myside.
The error message did mean, that there wasn't enough space.
It isn't the authority issue, it was a leak of space.
FYI, the complete DB-Size of Source System is required - NOT JUST RESERVED SPACE!!!
Thx for help and sorry for stealing your time :O

Internal error: assertion failed - still won't work in LR4

When I try to export an image from LR4 I get the "internal error: assertion failed" error. I'm running Lion 10.7.3 on a MacBook.
I started by reading the thread at:
Re: "internal error: assertion failed" when exporting via LR4
tinaTS offered what she thought was the correct fix but her suggestion didn't apply to my situation. She suggested moving user presets but I don't have any to move.
I also tried the basic “repair permissions” and Lion restart with no luck.
Kirk Marcus suggested removing the com.adobe.Lightroom4.plist from my library. This didn't help, still getting the error.
Then I removed these files as well:
com.adobe.Lightroom3.plist
com.adobe.Lightroom2.plist
com.adobe.Lightroom3.LSSharedFileList.plist
com.adobe.Lightroom3.plist.lockfile
None of that helped.
I tried removing all files that began with com.adobe.Lightroom and then creating a new library and just importing one picture but I still get the same "internal error" VERY FRUSTRATING.
Obviously, the program is worthless to me if I can't export images.
Additional suggestions would be appreciated. I see that lots of people on the internet are having this problem but none of the suggestions I've found so far have been of any help.

Thanks for the suggestions. I tried removing the com.adobe.Lightroom4.plist. This didn't help, still getting the error.
Then I removed these files as well:
com.adobe.Lightroom3.plist
com.adobe.Lightroom2.plist
com.adobe.Lightroom3.LSSharedFileList.plist
com.adobe.Lightroom3.plist.lockfile
None of that helped.
I tried creating a new library and just importing one picture but I still get the same "internal error" VERY FRUSTRATING.

"Assertion failed" error when executing a simple UCI program

I am using a simple UCI program (tt1.c) with Xmath version 7.0.1 on Sloaris 2.8 that performs the followings:
- Start Xmath701
- Sleep 10 Seconds
- Load a sysbuild model
- Stop Xmath
I am calling the uci executable using the following command:
> /usr/local/apps/matrixx-7.0.1/bin/xmath -call tt1 &
In this way everything works fine and the following printouts from the program are produced.
--------- uci printout ----------
## Starting Xmath 701
## sleep 10 seconds
## load "case_h_cs_ds.xmd";
## Stopping Xmath 701
All the processes (tt1, XMATH, xmath_mon, and sysbld) terminate correctly.
The problem occurs if the 10 second wait after starting xmath is omitted:
- Start Xmath701
- Load a sysbuild model
- Stop Xmath
This results to the following printouts:
--------- uci printout ----------
## Starting Xmath 701
## load "case_h_cs_ds.xmd";
Assertion failed: file "/vob1/xm/ipc/ipc.cxx", line 420 errno 0.
Note that the last line is not produced by the uci program and the tt1 did not
finish (the printout before stopping xmath "## Stopping Xmath 701" was
not produced).
A call to the unix "ps -ef" utility shows that none of the related process has been terminated:
fs085312 27631 20243 0 10:45:29 pts/27 0:00 tt1
fs085312 27643 1 0 10:45:30 ? 0:00 /usr/local/apps/matrixx-7.0.1/solaris_mx_70.1/xmath/bin/xmath_mon /usr/local/app
fs085312 27641 27631 0 10:45:30 ? 0:01 /usr/local/apps/matrixx-7.0.1/solaris_mx_70.1/xmath/bin/XMATH 142606339, 0x8800
fs085312 25473 25446 0 10:45:33 ? 0:01 sysbld ++ 19 4 7 6 5 8 9 0 25446 ++
The questions are as follows:
1- What is "Assertion failed: file "/vob1/xm/ipc/ipc.cxx", line 420 errno 0" and why is that produced?
2- Should the UCI program waits for end of sysbld initialization before issuing commands?
3- If the answer to the above question is yes, is there a way to check the termination of sysbld initialization?
Thanks in advance for you help.
Attachments:
tt1.c ‏1 KB

I tracked down the problem and it is a race condition between the many processes being started up. A smaller delay should also solve the problem. Or, maybe do something else before the first 'load'. The 'load' command tries to launch systembuild and causes the race condition.

Assert Failer Error while installing the Trial Version

Hi,
I am getting the following error while installing the trail version. any help is greatly appreciated. I am also not able to find XCMDOUT.LOG.
ERROR 2005-01-27 11:59:43 [iaxabactorext.cpp:420]
 CIaSdbActorExt::sdbSessionExecute_impl
MDB-07001 No action defined for actor.
ERROR 2005-01-27 11:59:43 [iaxxinscbk.cpp:223]
 abortInstallation
CJS-00081 Assertion failed: in
function sdb_inst_enum() {
 var actn = "SDB_INST_ENUM";
 var call_arr = sdb_action_with_info(actn, "75");
 ASSERT(arguments.callee, call_arr != undefined, "ERROR WHILE EXECUTING dbmcli COMMAND! CHECK THE XCMDOUT.LOG FILE");
 ASSERT(arguments.callee, call_arr[0] != "false", "ERROR WHILE EXECUTING dbmcli COMMAND! CHECK THE XCMDOUT.LOG FILE");
 var e_arr;
 e_arr = new Array();
 for (var a_cnt = 1; a_cnt < call_arr.length; a_cnt++) {
 e_arr.push(call_arr[a_cnt]);
 return e_arr;
ERROR WHILE EXECUTING dbmcli COMMAND! CHECK THE XCMDOUT.LOG FILE

Hi Lakshmi,
Were you ever able to resolve the problem?
-wael

How do I get my catalog of images on lightroom 2 when it says assertion failed?

I am unable to get to my images in lightroom 2. It is telling me assertion failed. I need some assistance. I had no trouble with it yesterday. Someone was on my computer and they may have renamed a file. I need these images.

Give #navbar a width that is wide enough to hold all of the buttons within it.
#navbar {
width:####px;
Replace #### with a pixel number large enough to hold the nav buttons.

PLEASE HELP Lightroom 5 assertion failed.

I followed the below fix and still get assertion failed
Open Windows Explorer.
Go to C:\Users\[your user name]\.
Check for the folder named Pictures.
If you don't see the folder, create a folder named Pictures under folder C:\Users\[your user name]\.
Restart Lightroom. If the error recurs, restart your computer, then retry. If the error recurs, continue to the next step.
Click the Windows Start button.
Type "regedit" in the Search program and files field, and press the Enter key.
Back up your registry by choosing File > Export. Give the backup copy of the registry a name and location you can remember.
Navigate to the registry key: [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer \User Shell Folders]
Look at the value for the My Pictures entry. The Windows default is: %USERPROFILE%\Pictures, which is the Pictures folder under C:\Users\[your user name]. If another folder is listed, check Windows Explorer for that folder. If it does not exist, you have two options. (1) Create the folder with that name in the location indicated in the registry entry. (2) If the Pictures folder exists under your user name folder, double-click the My Pictures entry, and reset the value to: %USERPROFILE%\Pictures
Quit the registry editor.
Log off from your account and back on, or restart your computer, then restart Lightroom 5.4.

The locations for preference files are usually hidden at the OS level by default.
If you tell us which OS and version, you are using we can probably give specific advice. Barring that read here: http://www.lightroomforums.net/showthread.php?14226-Resetting-(or-Trashing-)-the-Lightroom -Preferences-file

Assertion failed: 0, file ../lnk/exthrow.cc

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