I have 2 machines connected via my router/hub (wired). One is running Windows 8.1 and the other Windows 7. Previously I had them sharing perfectly until I did a reinstall of Windows 8 (upgraded to Windows 8.1). I get this message on both machines whilst trying to access shared drives (permissions enabled to read, write, modify for all users):

I have a local account on the windows 8.1 as per previous installation. I have checked all the usual sharing settings and they are the same as in the previous working installation on both machines. I have left the homegroup and created a new one on the windows 8 machine and rejoined on the windows 7 machine all to no avail. I have read posts here but none seem to help. Any other suggestions would be appreciated. Thanks.

I have a local account on the windows 8.1 as per previous installation. I have checked all the usual sharing settings and they are the same as in the previous working installation on both machines. I have left the homegroup and created a new one on the windows 8 machine and rejoined on the windows 7 machine all to no avail. I have read posts here but none seem to help. Any other suggestions would be appreciated. Thanks.