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Windows 7 (x32 only) Firefox 63.0.0, 63.0.1 crashed - not started

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<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

<System>
 <Provider Name="Application Error" /> 
 <EventID Qualifiers="0">1000</EventID> 
 <Level>2</Level> 
 <Task>100</Task> 
 <Keywords>0x80000000000000</Keywords> 
 <TimeCreated SystemTime="2018-11-07T10:47:42.000000000Z" /> 
 <EventRecordID>255455</EventRecordID> 
 <Channel>Application</Channel> 
 <Computer>tepl***.ua</Computer> 
 <Security /> 
 </System>
<EventData>
 <Data>firefox.exe</Data> 
 <Data>63.0.1.6877</Data> 
 <Data>5bd8a046</Data> 
 <Data>a_kerflzjl.dll</Data> 
 <Data>0.0.0.0</Data> 
 <Data>5b1aa77b</Data> 
 <Data>406d1388</Data> 
 <Data>0000845d</Data> 
 <Data>17e8</Data> 
 <Data>01d476874da092da</Data> 
 <Data>C:\Program Files\Mozilla Firefox\firefox.exe</Data> 
 <Data>C:\windows\system32\a_kerflzjl.dll</Data> 
 <Data>8d386e20-e27a-11e8-9cc9-a26ef4a66b88</Data> 
 </EventData>
</Event>

What is this file "C:\windows\system32\a_kerflzjl.dll"? On both versions the same issue! Windows 7 (x32) - on x64 everything OK

How i can fix this issue? Thanks!

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Application Error" /> <EventID Qualifiers="0">1000</EventID> <Level>2</Level> <Task>100</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2018-11-07T10:47:42.000000000Z" /> <EventRecordID>255455</EventRecordID> <Channel>Application</Channel> <Computer>tepl***.ua</Computer> <Security /> </System> <EventData> <Data>firefox.exe</Data> <Data>63.0.1.6877</Data> <Data>5bd8a046</Data> <Data>a_kerflzjl.dll</Data> <Data>0.0.0.0</Data> <Data>5b1aa77b</Data> <Data>406d1388</Data> <Data>0000845d</Data> <Data>17e8</Data> <Data>01d476874da092da</Data> <Data>C:\Program Files\Mozilla Firefox\firefox.exe</Data> <Data>C:\windows\system32\a_kerflzjl.dll</Data> <Data>8d386e20-e27a-11e8-9cc9-a26ef4a66b88</Data> </EventData> </Event> What is this file "C:\windows\system32\a_kerflzjl.dll"? On both versions the same issue! Windows 7 (x32) - on x64 everything OK How i can fix this issue? Thanks!

Được chỉnh sửa bởi andry_ua vào

Giải pháp được chọn

firefox 63.0.x (x32) on Win7 x64 - same issue, BUT - firefox 63.0.x (x64) on Win7 x64 - working good!

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Ứng dụng

  • Chuỗi đại diện người dùng: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Thông tin chi tiết

philipp
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5291 giải pháp 23378 câu trả lời
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hi, this file isn't part of firefox. it's looking like a radnomized filename and there are 0 results for it on google which should be a big red flag. please scan your system for malware with multiple different tools like the free version of malwarebytes and the eset online scanner: https://www.malwarebytes.com/mwb-download/ https://www.eset.com/int/home/online-scanner/

Troubleshoot Firefox issues caused by malware

hi, this file isn't part of firefox. it's looking like a radnomized filename and there are 0 results for it on google which should be a big red flag. please scan your system for malware with multiple different tools like the free version of malwarebytes and the eset online scanner: https://www.malwarebytes.com/mwb-download/ https://www.eset.com/int/home/online-scanner/ [[Troubleshoot Firefox issues caused by malware]]

Người tạo câu hỏi

philipp said

hi, this file isn't part of firefox. it's looking like a radnomized filename and there are 0 results for it on google which should be a big red flag. please scan your system for malware with multiple different tools like the free version of malwarebytes and the eset online scanner: https://www.malwarebytes.com/mwb-download/ https://www.eset.com/int/home/online-scanner/ Troubleshoot Firefox issues caused by malware

thanks for reply, but system is clean! (i checked it - nothing!) after another try to start FF - event log show another file!

''philipp [[#answer-1170580|said]]'' <blockquote> hi, this file isn't part of firefox. it's looking like a radnomized filename and there are 0 results for it on google which should be a big red flag. please scan your system for malware with multiple different tools like the free version of malwarebytes and the eset online scanner: https://www.malwarebytes.com/mwb-download/ https://www.eset.com/int/home/online-scanner/ [[Troubleshoot Firefox issues caused by malware]] </blockquote> thanks for reply, but system is clean! (i checked it - nothing!) after another try to start FF - event log show another file!

Người tạo câu hỏi

and one more think - 62.0.x - everything OK, only after upgrade to 63.0.x - crashed!

and one more think - 62.0.x - everything OK, only after upgrade to 63.0.x - crashed!
philipp
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  • Moderator
5291 giải pháp 23378 câu trả lời
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how did you check - did you use some different security tools as recommended? please also try to locate the incriminated file on your disk an upload it to virustotal.com which will scan it with a few dozen engines...

how did you check - did you use some different security tools as recommended? please also try to locate the incriminated file on your disk an upload it to virustotal.com which will scan it with a few dozen engines...

Người tạo câu hỏi

philipp said

how did you check - did you use some different security tools as recommended? please also try to locate the incriminated file on your disk an upload it to virustotal.com which will scan it with a few dozen engines...

check system by cisco amp, microsofr SE, eset online scanner - result - no viruses.

I sad - 62.0.x - everything OK, 63.0.x - on win7 x32 crashing, on win7 x64 - ok, win10 x64 - ok!

virus total - https://www.virustotal.com/#/file/e242f8ec682295c4a8556199072348c2cea4e0f69775d67c458d4adbfcb04c0a/detection

maybe developers do something wrong?

''philipp [[#answer-1170588|said]]'' <blockquote> how did you check - did you use some different security tools as recommended? please also try to locate the incriminated file on your disk an upload it to virustotal.com which will scan it with a few dozen engines... </blockquote> check system by cisco amp, microsofr SE, eset online scanner - result - no viruses. I sad - 62.0.x - everything OK, 63.0.x - on win7 x32 crashing, on win7 x64 - ok, win10 x64 - ok! virus total - https://www.virustotal.com/#/file/e242f8ec682295c4a8556199072348c2cea4e0f69775d67c458d4adbfcb04c0a/detection maybe developers do something wrong?
philipp
  • Top 25 Contributor
  • Moderator
5291 giải pháp 23378 câu trả lời
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please upload the "a_kerflzjl.dll" file (or whatever it's called now when it's randomly changing names) to virustotal, not the firefox setup file (we already know that it is clean).

please upload the "a_kerflzjl.dll" file (or whatever it's called now when it's randomly changing names) to virustotal, not the firefox setup file (we already know that it is clean).

Người tạo câu hỏi

philipp said

please upload the "a_kerflzjl.dll" file (or whatever it's called now when it's randomly changing names) to virustotal, not the firefox setup file (we already know that it is clean).

no file with this name on my filesystem! (and other files fron event this issue)

''philipp [[#answer-1170591|said]]'' <blockquote> please upload the "a_kerflzjl.dll" file (or whatever it's called now when it's randomly changing names) to virustotal, not the firefox setup file (we already know that it is clean). </blockquote> no file with this name on my filesystem! (and other files fron event this issue)

Người tạo câu hỏi

Hi! Any ideas for fix issue on Windows 7 x32 after upgrade to 63.0.x?

Hi! Any ideas for fix issue on Windows 7 x32 after upgrade to 63.0.x?
philipp
  • Top 25 Contributor
  • Moderator
5291 giải pháp 23378 câu trả lời
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i still think the symptoms point towards malware on the system unfortunately

i still think the symptoms point towards malware on the system unfortunately

Người tạo câu hỏi

philipp said

i still think the symptoms point towards malware on the system unfortunately

like i said - system hasn't viruses and malwares...!!! I install on clean system (Windows 7 x32 - new windows) - same issue!

and one more thing - mozilla crash report doesnt start - work windows report only!

''philipp [[#answer-1170860|said]]'' <blockquote> i still think the symptoms point towards malware on the system unfortunately </blockquote> like i said - system hasn't viruses and malwares...!!! I install on clean system (Windows 7 x32 - new windows) - same issue! and one more thing - mozilla crash report doesnt start - work windows report only!

Được chỉnh sửa bởi andry_ua vào

Người tạo câu hỏi

I found problem - on clean system I installed firefox (win7 x32) after that installed Cisco AMP!!! And this antivirus deleted this dll file from c:\windows\system32\***.dll and firefox crashed. Question - why firefox create this file? On x64 (win7 and win10) this dll file FF doesn't create!

I found problem - on clean system I installed firefox (win7 x32) after that installed Cisco AMP!!! And this antivirus deleted this dll file from c:\windows\system32\***.dll and firefox crashed. Question - why firefox create this file? On x64 (win7 and win10) this dll file FF doesn't create!

Được chỉnh sửa bởi andry_ua vào

Giải pháp được chọn

firefox 63.0.x (x32) on Win7 x64 - same issue, BUT - firefox 63.0.x (x64) on Win7 x64 - working good!

firefox 63.0.x (x32) on Win7 x64 - same issue, BUT - firefox 63.0.x (x64) on Win7 x64 - working good!