The Elder Scrolls III: Morrowind

I have no real answer, but an alternative.

You can get deamontools and turn your CD into a .iso file. Its like a virtual CD. Then mount that into your drive with deamon tools and try again.

Assuming you mean spell scrolls, both merchants at the Mystic Emporium in the Imperial City Market District sell some. Check the Mages Guild branches in each city, they have scroll selling merchants too.

St Olm's Canton is part of Vivec city, the cantons are the large buildings linked to each other by bridges. If you enter the city from the north, you will be in the Foreign Quarter. South, it is linked to two more cantons, the Redoran and the Arena cantons. If you head one more canton south from the arena, you will now be at St Olm's canton.

It randomly appears in the inventories of blacksmiths and general store keepers.

In terms of Lore, it lightens your burden, so you can carry more for a time, or continue moving while over-encumbered.

In the game, it actually just increases your encumbrance limit.

It is Dagoth Ur. He is pretty much a difficult boss fight, so kill him normally.

The ten achievable ranks for a member of the Imperial Legion in The Elder Scrolls III: Morrowind are as follows: # Recruit # Spearman # Trooper # Agent # Champion # Knight Errant # Knight Batchelor # Knight Protector # Knight of the Garland # Knight of the Imperial Dragon The Legions favourite attributes are: Athletics, Spear, Longblade, Blunt Weapon, Heavy Armour, Block. To join the Imperial Legion, talk to Darius in Gnisis. He can be found downstairs in the Madach Tradehouse. He can give you missions and advancement, as can the Legion Champions at the other forts. To advance to Knight of the Imperial Dragon it is necessary to defeat Varus Vatinius, the current holder of the title in a duel in the Arena. He can be found in the Grand Council Chambers in Ebonheart. Previous answer has been moved to the discussion page.

Yes. They don't have guild halls, but you can find the Thieves' Guild at the South Wall Cornerclub in Balmora, one street away from the river on the east side of town.

The Rat in the Pot, Ald Ruhn (Guildmaster is Aengoth the Jeweler)

Simine Fralinies Bookshop, Vivec Foreign Quarter canalworks (Guildmaster is Master Thief Gentleman Jim Stacey)

Dirty Muriels, Sadrith Mora (Nr Wolverine Hall, Guildmaster is Big Helende)

Other thieves guild hangouts can be found in Hla Oad, Gnaar Mok and Pelagiad, although Pelagiad is the only other place you can aquire work (Talk to Ahnassi).

Impossible to answer without a detailed description of all markings, including who made it.