Alco-Sensor IV @ Work, and Alco-Sensor IV Total Recall both require the user to have Full Control permissions for the programs to operate successfully. In cases where the computer is not part of a network, the user should be the administrator, or in the Administrators group. If the computer is part of a network, and the user cannot be given administrative rights, a network administrator will need to do the following. Step 1: -Log on as an administrator. -Navigate to C:Program Files -Right Click on the file named: Alco-Sensor IV @ Work or Alco-Sensor IV Total Recall. -Select Sharing and Security, or if not listed, Properties, then Security. -Locate and select the Group of which the program users are members (usually "Users".) -Select the check box for Full Control -Click apply, and okay. Step 2: -From the Start Menu, select Run. -Type "regedit" and click Open to open the registry editor. -For @ Work 2.0.0 navigate to--HKEY_currentusersoftwarevb and vba programas4@workasiv.ini -Right click and select permissions, and set "Users" to Full Control. -For @ Work 2.2 and above, navigate to--HKEY_LocalMachinesoftwareintoximetersas4@work -Right click and select permissions, and set "Users" to Full Control. -For Total Recall navigate to-HKEY_LocalMachinesoftwareIntoximetersAS4 Total Recall - Right click and select permissions, and set "Users" to Full Control.