From www.Bioware.com BG2 Known Issues
How to uninstall BG2
Here is the procedure to uninstall BG2:
Uninstall using the shortcut in the BG2 Start menu or the Add/Remove Programs utility in the Control Panel. The game files should be removed from the user's hard drive and the shortcuts removed from the Start menu.
If step 1 failed, run "baldur.exe" from the CD. It should notify the user that the previous installation attempt failed and that they should try reinstalling the game using the program's Install button.
If step 2 failed, edit the "baldur.ini" file in the directory where the game was installed. Look for the "Installing" key under the "Program Options" section, set it to 1 ("Installing=1"), save the file and repeat step 2.
If step 3 failed, edit the system registry using the regedit / regedit32 utility. Remove the following keys:
- HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ App Paths \ BG2Main.exe
- HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Uninstall \ {8DAE4336-2B71-11D4-9A6C-006067325E47}
Go to your Program Files directory and find the hidden directory "InstallShield Installation Information" and delete the directory labeled "{8DAE4336-2B71-11D4-9A6C-006067325E47}"
Manually delete all the files and directories created by the previous installation attempts (this should return the system to its state before the original installation attempt) and try again to install from the CD.
Good luck!
