Upgrade from 3.4.2 to 3.5.1 on IIS

I’m getting the install hanging on unpacking – made several attempts with & without all plugins activated. Still the same.

I’m running on IIS.

I didn’t move to 3.5 on spotting the issues others were having and at that time there was no mention of security issues as there has been with 3.5.1. I can’t find any comments, logs or posts in relation to this upgrade though lots on the move from 3.5 to 3.5.1 or 3.4.2 to 3.5

I now have to sites to update and thought I’d start with the simpler smaller one of the two. Theme is twenty eleven on this one.

Has anyone else suffered any issues and can shed any light? I’d like to get them upgraded sooner rather than later.

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