# Data upload to client locks it up

**URL:** <https://forum.inductiveautomation.com/t/data-upload-to-client-locks-it-up/20859>\
**Category:** Ignition\
**Created:** [November 14, 2018, 4:58pm UTC](https://forum.inductiveautomation.com/t/data-upload-to-client-locks-it-up/20859 "2018-11-14T16:58:25Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![witman](https://avatars.discourse-cdn.com/v4/letter/w/d2c977/32.png) [@witman](https://forum.inductiveautomation.com/u/witman)\
**Post date:** [November 14, 2018, 5:09pm UTC](https://forum.inductiveautomation.com/t/data-upload-to-client-locks-it-up/20859/2 "2018-11-14T17:09:53Z")

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This may be relevant:

> [@Update GUI via Asynchronous thread](http://forum.inductiveautomation.com/t/update-gui-via-asynchronous-thread/9666):
>
> I’ve got a script I am experimenting with that can take a lot of time to execute, so I now use the system.util.invokeAsynchronous to run the script in a separate thread to keep the GUI from locking up. I am using the asynchronous thread to copy files from one place to another, and I would like to show the progress of the file copy with a progress bar. How would I go about this? I am importing a few python libraries to do this. import shutil def fileTransfer(): path = system.file.openFile() …

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