Windows update catalog file

Hi im constantly getting this...... anyone else .......??????
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Downloading/validating most recent Windows Update catalog file...
--2016-11-03 12:52:59-- http://download.windowsupdate.com/microsoftupdate/v6/wsusscan/wsusscn2.cab
Resolving download.windowsupdate.com... 8.254.199.78, 8.254.191.46, 8.253.82.126, ...
Connecting to download.windowsupdate.com|8.254.199.78|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 193261086 (184M) [application/vnd.ms-cab-compressed]
Saving to: `../client/wsus/wsusscn2.cab'
100%[==============================================================================>] 193,261,086 2.25M/s in 97s
2016-11-03 12:55:00 (1.90 MB/s) - `../client/wsus/wsusscn2.cab' saved [193261086/193261086]
FINISHED --2016-11-03 12:55:00--
Downloaded: 1 files, 184M in 1m 37s (1.90 MB/s)
Verifying digital file signatures of Windows Update catalog file...
Warning: Deleted unsigned file "I:\Stuff\wsusoffline\client\wsus\wsusscn2.cab".
ERROR: Catalog file ..\client\wsus\wsusscn2.cab signature verification failure.
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