I'll add an extension.
Then Tools > Options > OnLineUpdate > check "Check for updates automatically".
>> gives error "configmng modification of finalize item"
>> LibreOffice freezes
Created attachment 120041 [details]
extension to test
filing this specific issue, since disabling this option permanently is useful IMO.
I can confirm with Version: 18.104.22.168.alpha1+
Build ID: 9a85743766e8a063d20d5f93ee88758e243397f4
TinderBox: Linux-rpm_deb-x86_64@70-TDF, Branch:master, Time: 2015-10-23_00:56:3
Something you're interested in ?
*** This bug has been marked as a duplicate of bug 101976 ***
(In reply to Cor Nouws from comment #2)
> filing this specific issue, since disabling this option permanently is
> useful IMO.
It is better to disable the whole Online Update page. So it won't appear at all in the Options tree. Anyhow, the original bug (bug 101976) will be closed soon.