# Error when generating screensaver on macOS Sequoia

**URL:** <https://forum.iscreensaver.com/t/error-when-generating-screensaver-on-macos-sequoia/759>\
**Category:** macOS\
**Created:** [September 25, 2024, 7:05pm UTC](https://forum.iscreensaver.com/t/error-when-generating-screensaver-on-macos-sequoia/759 "2024-09-25T19:05:59Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![iScreensaver](https://forum.iscreensaver.com/user_avatar/forum.iscreensaver.com/iscreensaver/32/24_2.png) [@iScreensaver](https://forum.iscreensaver.com/u/iScreensaver)\
**Post date:** [September 26, 2024, 11:40pm UTC](https://forum.iscreensaver.com/t/error-when-generating-screensaver-on-macos-sequoia/759/7 "2024-09-26T23:40:19Z")

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First, we notice that you posted a very similar thread earlier back in February: [When generating screen saver, getting error Error saving Icon file. Err=104 IOException](https://forum.iscreensaver.com/t/when-generating-screen-saver-getting-error-error-saving-icon-file-err-104-ioexception/745)

Did you ever solve that issue? You mention using CrowdStrike in that thread, and in this thread you say

> [@gpalau](#):
>
> Antivirus - I checked with our security team and we don’t monitor those paths above.

This is most likely the problem still.

Please note: **iScreensaver always builds to a temporary folder,** and it sounds like your security team is blocking that build location.

For the solution, see here:

> [@IO Exception Error when building Mac Screensaver](https://forum.iscreensaver.com/t/io-exception-error-when-building-mac-screensaver/677/4):
>
> If you are adding specific exceptions for iScreensaver Designer.app to your antivirus software, please take note: During build, iScreensaver builds to a temporary folder, and then copies the built installer app to the destination folder (the /Installers/mac or /Installer/win folders which are located next to the ISC project file. On macOS the temp folder has a long random name. If you look at the build details, you will see the folder listed toward the end. It will look like this: ----------…

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