官網有解決辦法
"Error #5 something went wrong" in Spitfire instrument
This error typically occurs if the file path between the plugin and the library contents folder is broken. The file path can be broken if you have moved the LABS folder to a new location, or are us...
spitfireaudio.zendesk.com
請試試看
重點是要重新移除，再安裝。
所以請參考下面的連結，他有說明如何完整移除，然後最好完成移除後關機，重開機，再重新安裝一遍，試試。
spitfireaudio.zendesk.com
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1. Close the app entirely and then navigate to the following folder:
Mac OS: User/Music/Spitfire Audio/Settings/
Windows: Roaming/Application Data/Spitfire Audio/ (this video shows how to get there)
2. Delete everything in this folder with the exception of your .properties and .settings files, in the example below I've outlined all of the items we would delete.
3. Delete the Spitfire App entirely and download the most recent version from here.
4. Now open the app and log in, as though this is the first time you have installed it and you should be able to connect now.
If you try these steps above and still cannot open the app, please reach out at www.spitfireaudio.com/support
所以請參考下面的連結，他有說明如何完整移除，然後最好完成移除後關機，重開機，再重新安裝一遍，試試。
Spitfire Audio App - Something went wrong, are you connected to the internet?
If you are connected to the internet and don't have any Firewall or Internet security running that might stop the app connecting, but the app displays the image below then there are a few steps to ...
spitfireaudio.zendesk.com
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1. Close the app entirely and then navigate to the following folder:
Mac OS: User/Music/Spitfire Audio/Settings/
Windows: Roaming/Application Data/Spitfire Audio/ (this video shows how to get there)
2. Delete everything in this folder with the exception of your .properties and .settings files, in the example below I've outlined all of the items we would delete.
3. Delete the Spitfire App entirely and download the most recent version from here.
4. Now open the app and log in, as though this is the first time you have installed it and you should be able to connect now.
If you try these steps above and still cannot open the app, please reach out at www.spitfireaudio.com/support
你能否測試看看，再重新完整移除一次，然後再次安裝時，安裝音色的路徑都不要改。然後讓他裝完，看能否成功。
我有查到有人音色路徑改掉後出現error 5(但對方是原本正常，搬動音色庫後才出現的)
希望可以成功。
