# Error update to version 8.7.4

**URL:** <https://forum.radsystems.io/t/error-update-to-version-8-7-4/2635>\
**Category:** Issues\
**Created:** [November 18, 2024, 1:38pm UTC](https://forum.radsystems.io/t/error-update-to-version-8-7-4/2635 "2024-11-18T13:38:10Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![fiore2k1](https://forum.radsystems.io/letter_avatar_proxy/v4/letter/f/b4bc9f/32.png) [@fiore2k1](https://forum.radsystems.io/u/fiore2k1)\
**Post date:** [November 18, 2024, 1:38pm UTC](https://forum.radsystems.io/t/error-update-to-version-8-7-4/2635/1 "2024-11-18T13:38:10Z")

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Hello, I wanted to update to version 8.7.4 with the following steps:  
1- uninstall version 8.7.0  
2- run the installation of version 8.7.4. It didn’t allow me to download the templates.  
3- I read in the forum about deleting the following folders:  
“C:\ProgramData\RadSystems  
C:\Users\xxxx\AppData\Local\RadSystems”

4- enter  
Radsysistems installed and download the templates.

5- Then an error message appeared saying:

 ![image](https://forum.radsystems.io/uploads/default/original/2X/1/1fdf72c79e341866d558607da8d13b9059c4bb90.png)

Note: I have a valid license!

What could I be doing wrong?

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**Author:** ![willvin](https://forum.radsystems.io/user_avatar/forum.radsystems.io/willvin/32/7_2.png) [@willvin](https://forum.radsystems.io/u/willvin)\
**Post date:** [November 18, 2024, 3:36pm UTC](https://forum.radsystems.io/t/error-update-to-version-8-7-4/2635/2 "2024-11-18T15:36:07Z")

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Use **Revo Uninstaller** to remove the software and its residual files then re-install RS 8.7.4.

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<div class="post-metadata">

**Author:** ![fiore2k1](https://forum.radsystems.io/letter_avatar_proxy/v4/letter/f/b4bc9f/32.png) [@fiore2k1](https://forum.radsystems.io/u/fiore2k1)\
**Post date:** [November 19, 2024, 12:59am UTC](https://forum.radsystems.io/t/error-update-to-version-8-7-4/2635/3 "2024-11-19T00:59:23Z")

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Perform the operation with Revo Unistaller. I deleted the residual psfiles and it gave me the same error…

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<div class="post-metadata">

**Author:** ![willvin](https://forum.radsystems.io/user_avatar/forum.radsystems.io/willvin/32/7_2.png) [@willvin](https://forum.radsystems.io/u/willvin)\
**Post date:** [November 19, 2024, 2:07pm UTC](https://forum.radsystems.io/t/error-update-to-version-8-7-4/2635/4 "2024-11-19T14:07:25Z")

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Download and install **Microsoft** “ **Quick Assist** ”, then let me know when you do so I will send you a DM with my connection code.