I just installed Windows 24H2 on a PC. When I opened eM Client I got a system prompt
“Let desktop apps access your precise location?
eM Client … needs permission to use signals like GPS or Wi-Fi which will be used to determine your precise location…”
You can answer Yes or No to this and eM Client will work.
If you answer Yes, Windows will give ALL desktop apps permission to use location".
You can turn this off globally in Windows > Settings > Privacy & Security > Location > “Let desktop apps access your location”.
This appears to have something to do with changes in the Windows location permission controls: