[Interest] Windows deployment. Failed to start because of missing platform plugin...

[Henry Skoglund]

Hi,

also qwindows.dll depends on MSVCR120.DLL and MSVCP120.DLL (for 
VS2013-flavored Qt), if the target system lacks those you need to copy 
them together with your .exe file.

Rgrds Henry

On 2015-08-28 15:42, Samuel Gaist wrote:
>
> On 28 août 2015, at 15:20, Bo Thorsen <bo at vikingsoft.eu> wrote:
>
>> Den 28-08-2015 kl. 10:01 skrev Igor Mironchik:
>>> I'm trying to deploy Qt Windows application. And it failed to start with
>>> the next message...
>>>
>>> This application failed to start because it could not find or load the
>>> Qt platform plugin "windows".
>>>
>>> Reinstalling the application may fix this problem.
>>>
>>> Platform plugin is exist in ./platforms/qwindows.dll
>>
>> It has to be in plugins/platforms/qwindows.dll.
>>
>>> How can I solve this problem?
>>
>> When I hit this, I copy every dll from Qt to my bin dir and every plugin
>> to the plugins dir. If that runs, then you can start deleting stuff and
>> see if your application still runs.
>>
>> For example, I have this:
>>
>> C:\Prog..\VikingSoftware\Pokerformance\
>>    pokerformance.exe
>>    Qt5Core.dll
>>    Qt5Gui.dll
>>    Qt5Network.dll
>>    Qt5Sql.dll
>>    Qt5Widgets.dll
>>    plugins\
>>      platforms\
>>        qwindows.dll
>>      sqldrivers\
>>        qsqlite.dll
>>
>> This works for me with Qt 5.5.
>>
>> I hope this helps.
>>
>> Bo Thorsen,
>> Director, Viking Software.
>>
>> --
>> Viking Software
>> Qt and C++ developers for hire
>> http://www.vikingsoft.eu
>>
>
> Hi,
>
> There's also windeployqt that can help for that matters
>
> Cheers
> Samuel
>
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