If ACID Crashes on your PC and you have to Load it again.
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If your ACID was improperly uninstalled, or your system crashed and you are
trying to reinstall the ACID product, you may need to remove some
registration keys. From the Start menu in Windows, go to Run, type in
regedit
Next, expand the following key folders, follow the path, and delete the
strings in bold only. You should then be able to reinstall your ACID
product:

HKEY_CLASSES_ROOT\CLSID\{B4128603-702E-11D1-8253-00009290DD44} (hint, CLSID
is about half the way down past the dot files, past the .cxx files).
HKEY_LOCAL_MACHINE\SOFTWARE\Sonic Foundry\ACID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SFACI
D