Lightning 2.6.4 is unavailable in Thunderbird 24.3

Question

I have uninstalled and re-installed lightning 2.6.4 - and the options are there but are grayed out. It is not disabled. I have a combination of local and google calendars. Anyone know what is going on? I googled this and could not find anything, only way-old versions of both software...

Thanks

Answer 1

Posting this as an answer, as it might be something close to a solution. You mentioned this:

Could not read chrome manifest 'file:///C:/Program%20Files%20(x86)/Mozilla%20Thunderbird/chrome.manifest'.

This looks to me like Thunderbird is corrupted. Could you try uninstalling and reinstalling Thunderbird?