ArcGIS Pro can't unable to establish connection to https //www.arcgis.com

[BaiMOUA]

What happens with my ArcGIS Pro, when I start it I receive the following error:

and after I click OK, it sends me the screen:

I tried to fix it by this way:

https://gis.stackexchange.com/questions/183730/unable-to-establish-connection-to-www-arcgis-com-from...

but it is not work for me. my internet connection is no problem and I can access to www.arcgis.com but my arcgis pro can't start without those errors.

Could anyone can help me?

[KoryKramer · Accepted solution]

This would be better placed in the ArcGIS Pro‌ space.  Have you checked your Internet Explorer security settings?

https://knowledge.digicert.com/generalinformation/INFO3299.html

Make sure the Use TLS 1.2  option is checked...

[BaiMOUA]

I’m so grateful for your help. It was a challenging time for me but you made it easier. I'm so thankful for your help.

[BoyuanGuan]

Just having the same problem, is anyone can point me the solution one more time? The old thread is an expired link.

[BoyuanGuan]

I actually find the solution somewhere else and since the original solution link expired. I will put some quick steps for whoever might need this:

This most likely a windows machine only problem and you will need to go the IE browser (no edge, chrome, or firefox) --> Tools --> Internet Options --> Advanced --> Scroll down to the check the Use TLS 1.2 option --> restart the ArcGIS Pro

 

[nicogis]

Another solution is click button 'Reset' in tab Advanced. In a computer with checked 'Use tls 1.2' there was same problem but with reset now it's OK. 

[BryceBeyers]

Any idea why my Internet Options doesn't give me the Reset option? I have the Restore advanced settings but don't have that bottom portion at all