Re-installing the firmware will not solve a corrupted file(s) issue. You need to run ChkDsk to find and repair the files. Leave your player in MSC mode. If it’s really bad, you may have to format the player, which will erase all and you will have to re-load your content. But try the ChkDsk first.
The Sansa Updater will only find any ‘updates’ available that are newer than the one currently on your player, so it may already have the most current version. If you want to re-install it, you’ll have to do it manually.
Are you sure you have a v1 model? If you have a v2 and are trying to load the v1 f/w onto it, that may account for the error you are receiving. Verify which model you have before proceeding.
The firmware update link for the v1 model is in the 1st post of this thread that you posted in. There are different regional versions. Make sure you download the correct one.
If you discover you have a v2, and still need or want to re-install the f/w, the link for that is here.
