iScreensaver has been updated to version

iScreensaver version 6.8.5 has a number of bugfixes and improvements, including fixes for several issues that could cause issues when running under macOS Ventura 13 (currently in beta, soon to be released) Authors distributing screensavers for macOS clients should update, re-build, and re-distribute their screensavers. Authors only supporting Windows clients can upgrade at their convenience.

Release Notes
We are pleased to announce the release of iScreensaver version 6 which supports macOS 10.11 (El Capitan) through 13 (Ventura) and Windows 7 through 10. Read about Version 6

IO Exception Error when building Mac Screensaver

I am wanting to try out the software to build a simple screensaver using static images and nothing else.

When I hit the Build button I get the following error in the iscreensaver Designer Log:

Utils.WriteBinaryStringToFile IOException 104 : IOException

Please can you advise how to resolve?

Many thanks 🙂


  • Welcome to the community!

    The 104 error is usually caused by somethinng preventing the output file to be written. Are you doing any of the following?

    • running antivirus software
    • trying to build on a network server, shared folder (such as DropBox, iCloud, etc.)

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