Importing http://musicbrainz.org/cdstub/EvLal8orUB_jwNRBVLQvz4mRMnQ- on win7 gives an ISE in Chrome, Firefox, Opera and IE. According to nikki, it works fine in Opera / OSX, so it probably is related to Win7...

Caught exception in MusicBrainz::Server::Controller::ReleaseEditor::Add->add "malformed UTF-8 character in JSON string, at character offset 97 (before "\x

rva rind...") at lib/MusicBrainz/Server/Wizard/ReleaseEditor/Add.pm line 83."
Stack trace:
line 85 MusicBrainz::Server::Wizard::ReleaseEditor::Add
line 132 MusicBrainz::Server::Wizard::ReleaseEditor::Add
line 88 MusicBrainz::Server::Wizard
line 401 MusicBrainz::Server::Wizard
line 132 MusicBrainz::Server::Wizard
line 92 MusicBrainz::Server::Wizard::ReleaseEditor
line 23 MusicBrainz::Server::Controller::ReleaseEditor::Add
line 322 MusicBrainz::Server
line 322 MusicBrainz::Server
line 322 MusicBrainz::Server
line 286 MusicBrainz::Server
Request data:

$VAR1 = {
'query_parameters' => {},
'body_parameters' => {
'artist_credit.names.0.name' => 'Various Artists',
'packaging_id' => '',
'date.month' => '',
'next' => "Next \x

",
'release_group_id' => '',
'labels.0.catalog_number' => '',
'wizard_page_id' => '0',
'release_group.name' => '',
'artist_credit.names.0.artist.id' => '1',
'labels.0.deleted' => '0',
'country_id' => '',
'primary_type_id' => '',
'labels.0.name' => '',
'date.year' => '',
'id' => '',
'script_id' => '',
'status_id' => '',
'date.day' => '',
'name' => 'Eesti leegioni laulud',
'gc-keepuppercase' => 'on',
'barcode' => '9782387001917',
'artist_credit.names.0.join_phrase' => '',
'labels.0.label_id' => '',
'wizard_session_id' => '47197',
'language_id' => '',
'comment' => '',
'gc-roman' => 'on',
'gc-mode' => 'English',
'artist_credit.names.0.artist.name' => 'Various Artists',
'annotation' => ''
}
};

URL: http://musicbrainz.org/release/add