Downloads not saving to Downloads folder
Downloads are not saving to the designated "Downloads" folder in My Documents.
Instead, they are saving to C:\Documents and Settings\{username}\Local Settings\Temp.
Tools/Options setting is pointed at Downloads, but the files just aren't saving there.
ప్రత్యుత్తరాలన్నీ (1)
It is possible that your anti-virus software is corrupting the downloaded files or otherwise interfering with downloading files.
Try to disable the real-time (live) scanning of files in your anti-virus software temporarily to see if that makes downloading work.
See "Disable virus scanning in Firefox preferences - Windows"