1. Click 'Start' and right-click 'Computer' in the Start menu. Then click 'Manage.'
2. Click 'Disk Management' in the sidebar.

3. Right-click the drive that was originally drive G and click 'Change Drive Letter and Paths.'
4. Click 'Change,' click 'G' in the drop-down box and click 'OK' twice.
5. Open the registry editor by clicking 'Start,' typing 'Regedit' into the search box in the Start menu and pressing 'Enter.'
6. Navigate to the 'HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders' key in the registry editor.
7. Examine each registry entry's path in the 'Data' column and look for paths that start with a 'G:'. For each that does, right-click the value, type the correct drive letter into the 'Value Data' field and click 'OK.' For example, if one path reads 'G:\Documents and Settings\Administrator,' change it to 'C:\Documents and Settings\Administrator.'
8. Navigate to the following registry keys and replace each 'G:' value inside of them with the correct drive letter:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell FoldersHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersionHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
9. Close the registry editor and re-run the program's installer.