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I just updated from 3.7 to 4.12 and am facing severely slower performance when stepping through weather and routing steps? Also when making new sail notes (drawing them on the map) response is very slow..
I did not have these issues with the previous version, and am having a new pc with up-to-date processor and memory.
Running c-map 4D version on a Surface ARM.
Thanks!
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I don't know what could cause that.
You could try to manually install the vc_redist from teh Exp resources web page.
Else, the Expedition system restore app may help.