Unable to Update

I have been unable to Update jetpack now for a few days on all my sites

The error messages are different every time i try but here is one sample

Update Failed: Could not copy file. jetpack/css/jetpack-admin-jitm-rtl.css

As i say the error messages are different each time i try

I have tried 6 sites in the last 48 hours and all are the same

I use 1and1 as my host

The page I need help with: [log in to see the link]