User 11 Posted November 3, 2015 Share Posted November 3, 2015 Since today I get the error 0x800CCC0F message when new mails are checked with Windows Live Mail via POP3S. When I disable E-Mail protection in ESS 9 it works for about 1 minute and then the same error. If I enable E-Mail protection again it works also for about 1 minute and then the same error. The same if I disable/enable ESS9 protection completely. Link to comment Share on other sites More sharing options...
ESET Insiders stackz 102 Posted November 3, 2015 ESET Insiders Share Posted November 3, 2015 If you go into Advanced Setup -> Web and EmailDo you still get the error if you temporarily do either of the below instructions?(If the first one works, don't worry about trying the second.) Expand SSL/TLS and temporarily disable SSL/TLS protocol filtering. Expand Protocol Filtering and disable application protocol content filtering. Link to comment Share on other sites More sharing options...
User 11 Posted November 3, 2015 Author Share Posted November 3, 2015 Expand SSL/TLS and temporarily disable SSL/TLS protocol filtering Yes, after deactivation of SSL/TLS it works. Also after enabling it again (and closing of browser and Windows Live Mail before) it seems now to work. Link to comment Share on other sites More sharing options...
Administrators Marcos 4,842 Posted November 4, 2015 Administrators Share Posted November 4, 2015 Disabling SSL scanning is not recommended. Could you re-enable it and test it with a gmail account and see it that works? Link to comment Share on other sites More sharing options...
User 11 Posted November 4, 2015 Author Share Posted November 4, 2015 (edited) As I already said: It works after disabling and then reabling it (so I guess when a new certificate for Windows Live Mail is generated by ESS). And it is the same for a gmail account or my ISP e-mail server. But this morning the same happend again, so I had to deactivate SSL/TLS again and enable it again. Edited November 4, 2015 by User Link to comment Share on other sites More sharing options...
ESET Insiders stackz 102 Posted November 4, 2015 ESET Insiders Share Posted November 4, 2015 Do you get the error for all of your email accounts? I had a similar error a few weeks back but it only occurred with my outlook.com email address. After logging with Process Monitor and Wireshark it seemed that the problem was with the server. I've not had a recurrence since the following morning. Link to comment Share on other sites More sharing options...
User 11 Posted November 7, 2015 Author Share Posted November 7, 2015 Do you get the error for all of your email accounts? Yes, for all email accounts from different providers. I monitored the situation over the past days and found out, that the error occurs after rebooting the PC and then starting Windows Live Mail it works for the first e-mail check, then the error occurs and I have to close Windows Live Mail, deactivate SSL/TLS with OK, then activate SSL/TLS with OK, and then it seems to work until the PC is rebooted again. Link to comment Share on other sites More sharing options...
User 11 Posted November 28, 2015 Author Share Posted November 28, 2015 For about 2 days now, the problem seems to be fixed. Maybe this problem was also caused by the Internet Protection Module? Link to comment Share on other sites More sharing options...
Administrators Marcos 4,842 Posted November 28, 2015 Administrators Share Posted November 28, 2015 For about 2 days now, the problem seems to be fixed. Maybe this problem was also caused by the Internet Protection Module? You can find out by switching to pre-release updates and running update manually. If the problem recurs but disappears after switching back to regular updates, it's most likely caused by recent versions of the Internet protection module. Let us know about your findings. Link to comment Share on other sites More sharing options...
User 11 Posted November 28, 2015 Author Share Posted November 28, 2015 I always had pre-release updates enabled since installation. Protection module is now Internet-Schutz: 1238 (20151124) Link to comment Share on other sites More sharing options...
User 11 Posted December 3, 2015 Author Share Posted December 3, 2015 The problem is back since a few days with Internet Protection Module 1238 and occurs in most cases after the PC is started. After deactivating SSL scanning and clicking OK, reactivating SSL and clicking OK, it works in most cases for the rest of the day. Link to comment Share on other sites More sharing options...
Administrators Marcos 4,842 Posted December 16, 2015 Administrators Share Posted December 16, 2015 If you are having issues, disable pre-release updates and wait a bit for Intenet protection module 1241 which should be put on pre-release update servers tomorrow. Link to comment Share on other sites More sharing options...
User 11 Posted December 19, 2015 Author Share Posted December 19, 2015 It seems to work now with protection module 1241. I had no more error message since module 1241 was installed. Link to comment Share on other sites More sharing options...
User 11 Posted December 23, 2015 Author Share Posted December 23, 2015 Yesterday Internet Protection Module was downgraded to version 1231.1 and now the error is back. Link to comment Share on other sites More sharing options...
User 11 Posted August 17, 2016 Author Share Posted August 17, 2016 Problem is back with Internet Protection Module 1275B. This time it's on every second attempt to check for Mail, so one check is OK, then the next fails with that error, next is OK again, then error again. Link to comment Share on other sites More sharing options...
User 11 Posted August 17, 2016 Author Share Posted August 17, 2016 (edited) I switched from pre-release updates to regular updates and the result is the same. So it is not Internet Protection Module 1275B, which is causing the problem. Only deactivation of SSL scanning and restart of Windows Live Mail resolves the issue. Edited August 17, 2016 by User Link to comment Share on other sites More sharing options...
Administrators Marcos 4,842 Posted August 17, 2016 Administrators Share Posted August 17, 2016 Do you mean that disabling integration with Windows Live Mail doesn't make any difference? Link to comment Share on other sites More sharing options...
User 11 Posted August 17, 2016 Author Share Posted August 17, 2016 If SSL scanning in ESET is deactivated, then there is no problem. If SSL scanning is activated the problem occurs, and it makes no difference if integration in Windows Live Mail in ESET is activated or not. Link to comment Share on other sites More sharing options...
User 11 Posted August 18, 2016 Author Share Posted August 18, 2016 After intensive research I was able to solve the problem for the moment by deleting the following folder: C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys Link to comment Share on other sites More sharing options...
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