Website x5 pro 2026.1.6 doesnt open 
Author: Orhan Akcicek
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Hello new version 2026.1.6 version not open even reinstalled
Posted on the
See also this post
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X5 pro wont open
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The problem is solved thanks to the removal of the Windows security update KB5083769 from April 16, 2026.
>> https://helpcenter.websitex5.com/en/post/276308
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Author
One PC is working another is not working
Author
here is the update history
This security update is apparently causing problems for some users and computers.
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Hello Orhan,
I am sorry about the issue, unfortunately as mentioned by Daniel this security update is causing issues when starting the software with certain configurations.
We are investigating the matter, for the time being I can only recommend uninstalling this security update and temporarily suspending further updates to avoid it being automatically reinstalled soon afterwards.
I remain available.