Internet problems - PKIX path building failed...
Aftre installing STM32CubeIDE it fails to connect to internet - In Firmware Updater, "Check Connection" fails and does not give a reason. As extra test done "Check for Updates" and it also fails with error:
PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
I think same reason is for "Check Connection". Tried to turn off firewall, not helps. There is no antivirus or anything alike. On browsers (Firefox, chrome) internet is fine.PC runs win7 64bit. There is no proxies. Just router which is gatewaty to isp and a few local net PC's. As a side test installed CubeIDE on notebook(Win10) on a same net and all works.So problem lies somewhere in Desktop. The only diffrence I noticed in "Network Connections" - working notebook got one extra line of Proxy Entries. Not sure how it appeared and how to create same on Desktop...