I have internet connection and I can execute such commands like:
== integrate x^2 dx
(request wolphram alpha)
but when I do "Edit->Preferences->Internet Connectivity->Test Connectivity"
test fails with:
"PacletSiteUpdate::err: An error occurred attempting to update paclet information from site http://pacletserver.wolfram.com. Failed writing received data to disk/application"
and when I do:
CUDAInformation::nopaclet: CUDAResources was not found. Make sure that you are connected to the internet and Mathematica is allowed access to the internet.
Please, help, what's wrong?