thinreg errors after Workspage agent 1.0 to 1.5.2 upgrade

[MMAgeek]

We have updated the Workspace agent from 1.0 to 1.5.2 (with horizon workspace 1.5)

A lot of our users are now getting the following errors related to a ThinApp that worked fine before (View linked clone pools, with persona management and local appdata roamed also)

Any ideas why?

then another error:

[sravuri]

How did you install 1.5.2? You may need to remove the old shortcuts, before installing 1.5.2.

Also, can you try with 1.8.x client?