Fallout 3 on Windows 7.

I am of the opinion that this is entirely down to permissions or some variation thereof;partly because I'm coming from XP where they are not usually an issue,but mostly because no matter what I do the My games file,and anything in the documents library is READ-ONLY and stays read -only no matter what I do
This explains the launcher problem pretty much in full ,as it is trying to save to a file that won't let it change anything
SO- either I'm missing something about permissions-thanks,Chuki for the effort there ,even though it didn't work-or I need to get the launcher to save to an unprotected file; not apparently an option for fallout.
Anyone got an idea?could it be a conflict with another program or group,canceling my permissions changes

yup, takeownership installed and used;no joy so far

On a whim I switched my primary and secondary monitors. That fixed it. Seems my 24" Apple Cinema Display just ain't happy with the game in full screen mode.

UPDATE! On another forum someone suggested checking the hz the monitor was set at. In the process I discovered W7 had activated my second monitor! (I normally have the smaller one shut off on Windows.) I disabled it and tried the game and it loaded fine in Full Screen! Fallout must have been getting confused with the two monitors set at different resolutions.

ATI has released an updated Beta driver that doesn't include the endash and replaces it with a hyphen. It's available on Windows Update, and is reported to fix the Launcher Loop. Testing...