1> If you are on PPM Center patch 9.32.0005 (or later), do not upgrade to PPM Center version 9.41 yet. otherwise you may encounter some regressions regarding the defect fixes included in 9.32.0005. You may want to wait for the next available patch on top of version 9.41 to have those defect fixes.
2> PPM official has been certified to work in IE 11 Standard mode. Kindly ensure that Compatibility View is not enabled and if you are using Enterprise mode kindly have PPM Base URL configured to be viewed in “IE 11 Document Mode”. Note: Enterprise Mode has priority over Compatibility View List and X-UA-Compatible meta tag.