SymptomsUpgrade to Windows 8 hangs and nothing happens for a long time.
CauseYou might be running in Coherence view mode with Crystal Mode enabled.
ResolutionIn order to continue upgrade, please disable Crystal Mode or exit Coherence view mode:
1. Open Virtual Machine Configuration ►Options ►Coherence ►and disable Crystal Mode:
2. Exit Coherence mode from Parallels Top menu icon || ►Exit Coherence.