Sorry, Hugh, my error. Seems I wrote down the numbers I was seeing elsewhere rather than the 2645 which I'd wanted to. You have the correct FR version numbers. However, it's still possible that you aren't running the correct file or a supporting file or that it's missing.

Specifically, what is the full Path/Name and Version of the ssi2xl listed on that System Info tab? What is the full Path/Name and Version of the LedgerFinRep listed on the tab?

Originally, I suspected that an issue was encountered during an install but, based on what you're saying about the issue working before lunch but not after, that would only be possible if someone had installed the Ledger SP over your lunch hour.

It could be that an antivirus update has mistakenly quarantined a necessary FR file. While I haven't had anything reported elsewhere, it's possible. You'd need to check the quarantine and also your antivirus exclusions to ensure that all things

Looking forward to receiving this information from you.