Gotcha, I was also using solar winds and was able to use filezilla without the issue. I am not sure what changed with Solar Winds compatibility as it's been my go to for the past 5+ years. But also the issue seems inconsistent as my cluster was allow...

Any luck? Currently running into the same and tried all the mentioned. I am just trying to install the signing key cop file which is a tiny file.

Thank you, the customer reporting the issue is using intellepeer as well so i will reach out to them.