"This application failed to start because no Qt platform plugin could be initialized" [Windows 10]

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gm649
Posts: 33
Joined: Thu Sep 12, 2019 10:42 am

Re: "This application failed to start because no Qt platform plugin could be initialized"

Post by gm649 » Thu Mar 12, 2020 8:22 pm

xnview wrote:
Tue Feb 18, 2020 2:31 pm
gm649 wrote:
Tue Feb 18, 2020 2:24 pm
xnview wrote:
Tue Feb 18, 2020 2:15 pm
this one
Thank you very much, i installed those
x64: vc_redist.x64.exe
ARM64: vc_redist.arm64.exe
but it still not works
it seems that a system dll is missing
Edited:
hi again , i just updated my windows to latest version (Build 1909)
here is the log i found in event viewer :

Code: Select all

Faulting application name: xnviewmp.exe, version: 0.95.0.0, time stamp: 0x5e1ed246
Faulting module name: Qt5CoreXn.dll, version: 5.12.6.0, time stamp: 0x5dfe532a
Exception code: 0xc0000409
Fault offset: 0x00000000000284e8
Faulting process id: 0x27b4
Faulting application start time: 0x01d5f8ad93e66f06
Faulting application path: E:\Program Files\XnViewMP\xnviewmp.exe
Faulting module path: E:\Program Files\XnViewMP\Qt5CoreXn.dll
Report Id: 72c75dd0-b9e8-4d5f-8628-bb22849d8041
Faulting package full name: 
Faulting package-relative application ID: 
i searched and found this
https://www.minitool.com/news/0xc0000409.html
i haved tried it and it works
i post the solution here for anybody needs it
Thanks for the support

pmblc
Posts: 2
Joined: Wed Mar 25, 2020 2:04 pm

Re: "This application failed to start because no Qt platform plugin could be initialized" [Windows 10]

Post by pmblc » Wed Mar 25, 2020 2:48 pm

Hello,

I get exactly the same issue on the latest version of Win10 Pro 64bits French version 1909 build 1863.752.

I have tried without success
- installing VC_redist.x64.exe
- sfc /scannow no problem detected

On [https://answers.microsoft.com/en-us/win ... 58ca69c0a4] they also suggest to use
DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /Online /Cleanup-image /Restorehealth

Nothing was found to repair in Win10

Hope this can help to detect the problem ???

For the moment I'll keep using XnViewMP 094.2 (portable)

Regards

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xnview
Author of XnView
Posts: 32737
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Location: France
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Re: "This application failed to start because no Qt platform plugin could be initialized" [Windows 10]

Post by xnview » Thu Mar 26, 2020 8:15 am

pmblc wrote:
Wed Mar 25, 2020 2:48 pm
I get exactly the same issue on the latest version of Win10 Pro 64bits French version 1909 build 1863.752.
How do you have installed this version?
Pierre.

pmblc
Posts: 2
Joined: Wed Mar 25, 2020 2:04 pm

Re: "This application failed to start because no Qt platform plugin could be initialized" [Windows 10]

Post by pmblc » Sat Mar 28, 2020 1:52 pm

Hello,
It's the portable version.
Comparing to the working version 0.94.2 I noticed that this version includes \plugins\platforms\qwindows.dll
so I created this folder in version 0.96 with a copy of qwindow.dll and it solved the problem.
Thanks your support.

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xnview
Author of XnView
Posts: 32737
Joined: Mon Oct 13, 2003 7:31 am
Location: France
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Re: "This application failed to start because no Qt platform plugin could be initialized" [Windows 10]

Post by xnview » Sun Mar 29, 2020 8:17 am

pmblc wrote:
Sat Mar 28, 2020 1:52 pm
Hello,
It's the portable version.
Comparing to the working version 0.94.2 I noticed that this version includes \plugins\platforms\qwindows.dll
so I created this folder in version 0.96 with a copy of qwindow.dll and it solved the problem.
Thanks your support.
you have not qwindows.dll in 0.96? which link do you have downloaded?
Pierre.

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