I cannot open levels or maps in editor after installing ue4 on a new pc

Development World Creation
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1

PS: Loading procedure molstly stops while “Finalizing load of Material ExpressionConstan.”

2

Uh, Found the thread.Problem solved :slight_smile:

3

The Editor starts loading a map, but is pending/hanging. Task Manager (Windows 10) “says” Unreal engine is “inactive”. The problem occurs when I try to load migrated maps/Levels (from the same UE Version 4.15.3), but also when I try to open for example the “Showcase” map from Open World Demo. On my former PC (with less Performance at all) there was no such issue.

Does anybody has a solution for a “greenhorn”?