Roon 1.8 Roon hangs when starting, fan runs at full speed

Windows 10pro 64Bit 1909
Roon last Version,can not see it because of problem

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Fritzbox7590

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Audio Devices (Specify what device you’re using and its connection type - USB/HDMI/etc.)

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when starting Roon, the CPU immediately starts to cool, the fan runs at full speed,
I can’t click s in the program because Roon always wants to load something and the wheel is spinning
have uninstalled, but not completely, when I close Roon with X the message “Roon is not responding” appears

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Hi @Peter_Gersdorf

Can you provide some additional details about your Windows device? What CPU & GPU does it use?

If you uninstall and reinstall the GPU drivers is there any change ?