Problem:
This error can occur when the 4 backup folders for CFG, MNT, SYS, TUT become locked or are set to read only. These backup folders are named cfg_bak, mnt_bak, sys_bak, and tut_bak respectively and they are located in C:\\Program Files\\Micro Focus\\Net Express 5.0\\MFSQL by default.
Please remember that you need to be logged in as an administrator to perform this update, and you need to be logged in as the same user who installed Net Express.
Resolution:
Resolve the issue by selecting these folders, going to Properties, and unchecking the Read Only box. You may need to adjust the permissions on the folders to allow read, write, and delete access. In extreme cases you can delete (or rename) and recreate these 4 folders to allow the installation to complete.
