Does any patch injector support Skyrim post 1.4

According to the UESP, the town will still act as if that person has died, unless you resurrect them extremely quickly after they died.

Unless you use this command the instant the NPC is killed, the game will still register the target as "Dead" and they will subsequently not be mentioned in dialogue and sometimes specifically referred to as "Dead" during a quest. Adding a tag of "1" at the end (i.e., resurrect 1) will make the target get up instead of vanishing and reappearing, thus allowing them to keep their equipment. If an NPC's corpse has vanished already, you will also need to enable the NPC. Using this on the player character will not dismiss the "Load last save?" screen, and the camera will behave as if you were still lying dead on the ground. However, if you use the resurrect command before the Loading message appears, the player will revive, but the camera will be centered on the feet rather than the head.

Source

There are two three known workarounds for this (see Precog DragonBorn's answer for general Steam issues; these were particular to Skyrim).

The one most frequently found online is to verify your game files:

• right click Skyrim in your library
• click properties
• go to the local files tab
• click "verify integrity of game cache"
• wait a while
• as JClasspill points out, make sure all patches have completed before giving up

A number of people seem to have had this work.

This however, did not work on my system (Windows 7, x64, GeForce GTS 450).

What did work for me was switching Steam to offline mode:

• click the Steam menu
• click "go offline"

Note that this worked even after completely re-installing Steam and Skyrim didn't. I suspect, but cannot be sure, this has something to do with Steam Cloud syncing because after attempting and failing to launch Skyrim I couldn't close Steam due to it.

Sean C reports that deleting ClientRegistry.blob can also fix this issue.