Hello, there is a PTC case "CS130478" giving details to resolve.
Reported to R&D as SPR 2182846 (PTC R&D working with Microsoft Support via REG:113073110629966)
Corrected in Creo Elements/Pro 5.0 M210
Corrected in Creo Parametric 2.0 M080
Workarounds:
For Wildfire 5.0, Creo Elements/Pro 5.0 and Creo Parametric clients, configure for a separate web browser process or Mozilla embedded browser via config windows_browser_type=ie_in_sep_process or mozilla_based_browser