I am using the firestorm viewer. I was in the middle of logging off when my computer unexpectly shut down on me. I reboot it and upon relogging into sl the following message appeared: We are unable to decode the file storing your credentials. At this point saving or deleting your credentials will earse all those previously stored. This may happen when you change your network setup. Restarting the viewer with the previous network configuration may help recovering your saved login credentials. I have tried uninstalling the viewer and restarting. I have tried to look for any extra hidden files (even though I can't seem to locate certain parts like c:\user\name\library ... or c:\user\name\appdata. I also can't seem to find where the xml files are located as another post has stated to try to delete. Please if someone can help me or walk me through this I would greatly appreciate it. Update: 7/7/13 I followed the link as provided and did a clean uninstall and deleted all hidden files. It is no longer stating the previous error message but now will not allow me to login. I have double checked my user name and password and it should work. I have even tried logging into Smith, Hippo Hallow and Hatton but it still says that I cannot login due to wrong username/password or caps lock on. Additional help is needed. Thank you! Update part 2 I tried a new password and that still didn't help. I found that previously (before the new install) I was able to log into SL with my first/last name and no space between them. After the new install there has to be a space between first/last name. Everything is in working order now.