PowerBI Desktop not starting

Hi BeckyParm ,
Thanks for reaching out to Microsoft Fabric Community Forum.
Thanks for providing the full error details.This error typically means Power BI Desktop was unable to initialize its internal Analysis Services .

• Possible causes include a corrupted .pbix file, insufficient memory, or system resource conflicts. Additionally, issues may stem from a custom visual, a recent Power BI update, or interference from system/OS updates or antivirus software.
• A simple restart might resolve the issue—close Power BI completely, including from Task Manager, then reopen it.
• If the issue is limited to a single file, try opening a different .pbix file to determine whether the problem lies with the file itself or the application.
• Any specific policy and firewall rules existed on your device? (they may block power bi process.
•  You may check Troubleshoot opening Power BI Desktop and try Download Power BI Desktop directly.

• Try to uninstall completely, reboot the machine and try to install PBI Desktop again.

  https://www.microsoft.com/en-us/download/details.aspx?id=58494

  and you could also try to old version

  https://docs.microsoft.com/en-us/power-bi/fundamentals/desktop-latest-update-archive?tabs=powerbi-desktop

Hope this helps !

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