There is a new version of the WEDU client (v22.214.171.124) available that resolves the registration issue. You can download this new version from the DLC, here.
There are no other changes in this new version, so if you are already successfully registered through WEDU you do not need to upgrade your WEDU version from v126.96.36.199 to V188.8.131.52.
With the release of WEDU 184.108.40.206, some customers have reported being unable to register WEDU to get updates. Upon further investigation, this issue only appears to occur when WEDU is installed for the first time on a new Windows PC. A permanent fix for this issue is being investigated. In the meantime, a work around has been found to allow WEDU registration to happen successfully. The work around instructions are as follows:
Will there be an update to WEDU to fix these problems for WES7? This capability should be integrated into WES8.