# Reversing to V9 doesn´t work

**URL:** https://forum.waves.com/t/reversing-to-v9-doesn-t-work/1377
**Category:** Support
**Created:** [May 15, 2020, 6:05pm UTC](https://forum.waves.com/t/reversing-to-v9-doesn-t-work/1377 "2020-05-15T18:05:22Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![m\_lameiro](https://avatars.discourse-cdn.com/v4/letter/m/d26b3c/32.png) [@m\_lameiro](https://forum.waves.com/u/m_lameiro)
#### Post date: [May 15, 2020, 6:05pm UTC](https://forum.waves.com/t/reversing-to-v9-doesn-t-work/1377/1 "2020-05-15T18:05:22Z")

</div>

Hi guys unfortunately i did an update to V10 and the plug´s start to crash and go all to blacklist, so i tryed V11 same thing, now i need to reverse to V9.!

 ![Screenshot 2020-05-15 at 18.58.04](https://canada1.discourse-cdn.com/flex027/uploads/waves/original/1X/b2aeb252d2b492bf3d18e61b82aff047828b102d.jpeg) and happens this also, my osx is 10.14.6 mojave i can´t go to catalina because i have gear that i need to use and is legacy now for catalina… any help with this, any ideas…

---

<div class="post-metadata">

### Author: ![YishaiWaves](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.waves.com/yishaiwaves/32/92_2.png) [@YishaiWaves](https://forum.waves.com/u/YishaiWaves)
#### Post date: [May 18, 2020, 1:24pm UTC](https://forum.waves.com/t/reversing-to-v9-doesn-t-work/1377/2 "2020-05-18T13:24:11Z")

</div>

You are using an older version of Waves Central.  
PLease follow the steps on [this article to roll back to 9.92 plugins](https://www.waves.com/support/how-to-roll-back-to-waves-v9-92).  
If you need further assistance - please [contact our support](https://www.waves.com/contact-us) team asap.