cant get frg38d

[sbowen574]

I have a droid 1 rooted and I kept getting the update notification so I've been trying to unroot and install the update and reroot with superoneclick and I cant seem to unroot superoneclick and z4root said I was unrooted but I cant install the update it says that its failing to verify signature blah blah blah.... Please help I cant figure any of this out and its driving me crazy.

I also "unrooted" and did a factory wipe from menu and from recovery mode and cannot seem to get it to take the new update please help

Also on a side note I cant seem to get rom manager to flash an older recovery and Ive cleared my cache and uninstalled and reinstalled and seem to have no luck.