https://issues.qgis.org/https://issues.qgis.org/favicon.ico2019-02-19T08:09:04ZQGIS Issue TrackingQGIS Application - Bug report #21308: Cant save project file, "Unable to save auxiliary storage".https://issues.qgis.org/issues/21308?journal_id=1003002019-02-19T08:09:04ZNyall Dawson
<ul><li><strong>Resolution</strong> set to <i>invalid</i></li><li><strong>Status</strong> changed from <i>Open</i> to <i>Closed</i></li></ul><p>This isn't a qgis issue - you'll need to find out how to whitelist qgis in your antivirus or switch to a more useful antivirus solution.</p>