# Jabref 4.3.1 freezes on Mac Catalina

**URL:** <https://discourse.jabref.org/t/jabref-4-3-1-freezes-on-mac-catalina/1783>\
**Category:** Help\
**Created:** [October 25, 2019, 8:36am UTC](https://discourse.jabref.org/t/jabref-4-3-1-freezes-on-mac-catalina/1783 "2019-10-25T08:36:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ryan](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@ryan](https://discourse.jabref.org/u/ryan)\
**Post date:** [October 25, 2019, 8:36am UTC](https://discourse.jabref.org/t/jabref-4-3-1-freezes-on-mac-catalina/1783/1 "2019-10-25T08:36:03Z")

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Hi Everyone, I just installed Jabref 4.3.1 on a Macbook Pro with Catalina. It installs fine, but would not import any database as it keeps freezing during the process. I have tried to import both small and large databases and restarted and reinstalled, but nothing has worked so far. Any help will be appreciated.  
Also I could not find Jabref 5.0 for Mac on the Jabref website as the download link page does not seem to list it. Where can I get .dmg for Jabref 5.0? Thanks.

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**Author:** ![ryan](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@ryan](https://discourse.jabref.org/u/ryan)\
**Post date:** [October 25, 2019, 8:41am UTC](https://discourse.jabref.org/t/jabref-4-3-1-freezes-on-mac-catalina/1783/2 "2019-10-25T08:41:29Z")

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Found JabRef 5.0 for Mac in the Under Development Snapshot. Will try it and report back to you. Thanks.

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**Author:** ![vgkinis](https://avatars.discourse-cdn.com/v4/letter/v/58956e/32.png) [@vgkinis](https://discourse.jabref.org/u/vgkinis)\
**Post date:** [December 23, 2019, 7:00pm UTC](https://discourse.jabref.org/t/jabref-4-3-1-freezes-on-mac-catalina/1783/3 "2019-12-23T19:00:47Z")

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so how did it work…?