Error Message: 0x80072F78:The server returned an invalid or unrecognized response
Symptoms
Outlook customers may get this error message time to time:
0x80072F78:The server returned an invalid or unrecognized response
Reason
On Microsoft support website this error code 0x80072F78 is defined as "ERROR_WINHTTP_INVALID_SERVER_RESPONSE"
These errors are caused by small interruptions in communications between the computer to be updated and the update to be downloaded. These issues usually resolve themselves but sometimes not.
Solution
In order to fix this issue please follow the following official Microsoft Fix:
Official Microsoft Support Link
Note
If the above repair method does not solve your problem. Then please contact directly Microsoft Support.
Here are some links to their support pages
Contact Microsoft Support Link 1
and
Contact Microsoft Support Link 2
