After installing Naviate October Release 2025 (2025.26.1), some users are getting the following error message - Revit cannot run the external application "NaviateCore"
<img alt="" src="https://cdn.livechat-files.com/api/file/kb/file/10075403/111243977e-38926adfe86332d0dc6f.png">
Uninstall all Naviate 2025 programs and manually remove the folders Revit 2025 from
C:\Program Files\Symetri\Naviate&nbsp; and&nbsp; C:\ProgramData\Symetri\Naviate
Then reinstall Naviate 2025.26.1

After installing Naviate October Release 2025 (2025.26.1), some users are getting the following error message - Revit cannot run the external application "NaviateCore"



Uninstall all Naviate 2025 programs and manually remove the folders
Revit 2025 from

C:\Program Files\Symetri\Naviate 
and 
C:\ProgramData\Symetri\Naviate

Then reinstall Naviate 2025.26.1

Naviate 2025.26.1 - Revit cannot run the external application "NaviateCore"

Error in SSOLoginAsync

Naviate 2024 - Couldn't find license for Naviate Accelerate

Naviate 2024 - Cannot start process because a file name has not been provided

Update symbols function is not working in 2023.1.5, 2023.1.7 and 2024 Versions

Naviate Cloud Browser not working in 2021 and 2022

Failed to install certificate - Naviate on Windows 11

Result of NOT updating Naviate Help to 2022.1.6

Naviate 2022 Exception - Symetri Licensing

There are no piles available for numbering.

Error 1311. Source file not found

Missing Arial Font

Error 1606. Could not access network location Revit 2021\.

Error after installing Naviate REX 2022

Extension encountered a problem - create method exception

Extension encountered a problem - unhandled exception

Missing third party updater

Error message Naviate Rebar Extension 2021 - AREX

Revit 2022 stops working after installing Naviate REX

Unhandled exception - Sheet Manager

Naviate Shema Conflict when loading a file

Revit cannot run the external application "NaviateAC"

Revit cannot run the external application "NaviateHE"

Revit cannot run the external application "NaviateAC" - FileNotFound help32.png

Machine fingerprint has changed since activation

Naviate 2023.1.13  - Couldn't find license for Naviate

Naviate 2021.1.7  - Couldn't find license for Naviate

Naviate Licensing client 2023.1.17 and 2024.8.2

4. Error messages Naviate for Revit