Often the quickest way to resolve a problem is to get assistance on the telephone. nic.com has local support numbers in 31 countries.
For your convenience the list is reprinted here:
Argentina (011) 5984-0787
Australia 02 842-8923
Belgie 078 48 03 42
Belgique 078 48 02 82
Brazil (11) 3958-5682
Canada 844-494-9067
Chile (022) 5940 640
Columbia 57 (1) 381-6881
Denmark 36 92 77 29
Germany 089 22 061 158
Spain 990 284 83 16
Estados Unidos (480) 463 8301
France 09 7518 70 35
Hong Kong 3050-7473
India 1-800-1210120
Indonesia (021) 2188-9044
Ireland 01 653 5977
Italy 800 7901800
Malay 0154877 0212
Mexico (55) 4631 2411
Nederlands 085 888 3139
New Zealand (09) 975-9409
Norge 852 95 055
Osterreich 0720 116854
Pakistan +1 480 463-8111
Peru (01) 700-9339
Phillipines (02) 231-3942
Poleland 22 307 46 99
Portugal 13 088 01713
Schweiz 043 508 3958
Singapore +65 6349-4259
South Africa 087 550 2198
Switzerland 043 508 3958
Sumi 09 424 50 418
Sverige 077 421 88 09
Suizzera 043 508 3959
Turkey 0 880 390 2186
UAE +973 1619 6325
United Kingdom 02 3014 1446
Venezuela 0800 3622265
Vietnam (0284) 458 1498