# \#window
**URL:** https://the.fmsoup.org/tag/window/323.md
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## [Gotchas When Using Window UUIDs](https://the.fmsoup.org/t/gotchas-when-using-window-uuids/5504)
**Author:** [@bdbd](https://the.fmsoup.org/u/bdbd)\
**Replies:** 1\
**Last updated:** [June 10, 2026, 7:23am UTC](https://the.fmsoup.org/t/gotchas-when-using-window-uuids/5504 "2026-06-10T07:23:35Z")
For whatever reason, script steps where you need to identify a window give you only one field to specify its title or its UUID. Avoid naming a window by another's UUID. Not that I think it's a good idea but it can be don…
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## [Window Activation Trigger](https://the.fmsoup.org/t/window-activation-trigger/3166)
**Author:** [@MonkeybreadSoftware](https://the.fmsoup.org/u/MonkeybreadSoftware)\
**Replies:** 0\
**Last updated:** [October 26, 2022, 3:03pm UTC](https://the.fmsoup.org/t/window-activation-trigger/3166 "2022-10-26T15:03:09Z")
Sometimes FileMaker developers miss a script trigger to run when you switch between windows. We usually recommend people check if Window.Current function returns a new number. And you may do that with Schedule functions. …
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## [FMP 19.1.2.219 at some point shows open windows as thin lines on desktop](https://the.fmsoup.org/t/fmp-19-1-2-219-at-some-point-shows-open-windows-as-thin-lines-on-desktop/1406)
**Author:** [@Torsten](https://the.fmsoup.org/u/Torsten)\
**Replies:** 9\
**Last updated:** [January 13, 2021, 8:51am UTC](https://the.fmsoup.org/t/fmp-19-1-2-219-at-some-point-shows-open-windows-as-thin-lines-on-desktop/1406 "2021-01-13T08:51:30Z")
It happens now and then, a user action or other event triggering the issue has not yet been identified. FMP has one or more windows open. At some point, these windows are displayed as thin vertical lines on desktop. The…