Unable to install CEP extension to Illustrator 25

Question

The extensions I had made with CEP 9 don't seem to work with Illustrator 25. Our users need to revert back to Illustrator 24 in order to install them. When I tried to update to CEP 10 and package the extensions with the latest ZXPSignCmd,exe, I'm getting an error with ExManCmd:

Failed to install, status = -268!

Attempting to install the bundle with Adobe Extension Manager CC gives me the same error code. It looks like this error code, according to this post means EXMAN_FAILED_INVALID_MANIFEST_VERSION. However, I updated and based my manifest.xml file on the one in the CEP_10.x sample project CEP_HTML_Invisible_Extension-10.0.
Any help would be great. Let me know if more information is needed. Thanks!

Vincent DeLuca ALC · Answer

After getting help from Adobe Support, it is now working. Just some things to trouble shoot to make sure everything works fine:Make sure the ExtensionManifest Version is correct in the manifest.xml file. Currently it should be "7.0"Make sure you're using the correct version of ExManCmd. XManConfig.xml should show the version you're using. The current version is "3.1.46"Check to see if AdobeExtensionService is still running in the background. If it is, and you're getting a -175 error, stop the process and re-run ExManCmd.This might not be necessary, but I was having issues when I had multiple versions of Illustrator. May want to just use the latest.

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