certificate errors

I get a certificate error on every site that has a Let's Encrypt certificate. It happens in IE11, Chrome and Safari, so I'm assuming it's a Windows issue. I can still ignore the warning and proceed to the site, but it's very annoying as loads of sites use Let's Encrypt. Thanks for any...

305010 I keep getting this Security Certificate error with IE10 on many websites, including this forum at times. My date and time are set correctly and up to date. It has only been happening for a few days. Any ideas?

Wake from sleep is slow and I loose control over curser for 10 sec. These are most of the errors and their numbers that I have been getting over the past 5 days. Boot duration 100,101,109,103 Stanby duration 300 Driver caused delay 351 Thumbdrive driver delay

When I log into the AT&T wifi at Starbucks I consistently get a certificate error. It doesn't matter whether I use IE or Firefox and it doesn't matter what store I'm in. It seems to be system wide. Firefox offers the option to view and install the certificate, but this doesn't solve the problem...

Hi I have XP Pro x64 and I'm about to upgrade to Win7 Pro 64 bit. I am a little worried about what will happen to one security certificate that I use daily to access a particular website. I have Windows Easy Transfer installed. If I use this, will the certificate be copied accross properly...