yup LE certs won’t work with WinXP see Which browsers and operating systems support Let’s Encrypt
Related topics
Topic | Replies | Views | Activity | |
---|---|---|---|---|
Let's Encrypt certificates do not work on XP in IE8 or Chrome
|
12 | 23013 | December 2, 2015 | |
CERT_AUTHORITY_INVALID in XP SP3 | 9 | 7220 | May 7, 2016 | |
[Help needed] Windows XP support
|
119 | 37568 | April 7, 2016 | |
Upcoming intermediate changes | 3 | 27568 | March 25, 2016 | |
Let's Encrypt compatibility with Windows XP | 7 | 5555 | March 15, 2018 |