Hello Rick, I have a program that runs in the background on a schedule downloading payments from a SFTP server. Nothing has changed with this program in years, but it quit working this past Friday.

Getting error: OLE error code 0x80131509: Unkonw COM status code.

This is happening on the FTPCONNECT()

I copied the program to my local computer and get the same error.

Any help is greatly appreciated ... I am stumped !!

I have tried replacing all the DLL files but no luck

Thanks, Kent

Not much to go on with that scenario. Unknown COM error seems to point on some system issue like corrupted files or permissions issues when some binary can't be loaded:

Error 0x80131509 is a system error code typically caused by corrupted system files, invalid registry entries, or failed software installations (particularly affecting the Microsoft Store, Office 365, or Minecraft Launcher). It often stems from account synchronization failures, network restrictions, or incorrect region settings.

I'd look into if permissions or security in general have changed in your environment...

+++ Rick ---

Perhaps an expired certificate?

I think you get an actual error for that. The Unknown COM Error seems to point at some sort of issue with loading of the assembly or some other system requirement.

+++ Rick ---