Here is the solution from Kaspersky.
"Please find our experts' response to your query below:
Looks similar to bug 7510936.
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09:37:32.097 53130 INF trafmon ProxySession(988): Client data receive stopped 0x80000063 (Not ready)
09:37:32.097 53130 DBG si.cr InterceptedConnection(988) Request to close connection on behalf of client
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Developers believe the issue is connected with Firefox feature DOH - "DNS over HTTPS".
Please disable DOH, it should help fix the problem."
So, I disabled DOH in Firefox and in kaspersky settings I checked on "check secure connections (HTTPS) for safe..."
And the problem returned. I am waiting for the solution.
Yes, I previously had Internet Security, for years, and it was great.
Then when I installed Standard the problems started.
This seems to have fixed it!
Will I have any security issues having unchecked Check secure connections ?
Mac Ventura M1.
Firefox won't load pages with Kaspersky Standard on.
It worked fine with Internet Security.
When I turn off Kaspersky then Firefox works perfectly.
I have to 'reload' every page for it to display.
I have disabled any extensions.
Do I need to change settings?
I have uninstalled and reinstalled both Kaspersky and Firefox.