Yes, the default.dlb exists and is in the folder and I have full control of the program files x86 folder and on down. I'm not sure if the dlb contains the rainfall information but when I open up the preferences it says "missing or Invalid Rainfall item". I click "ok" and then proceed to enter the project components in the preference dialog. When I enter the drainage library file, I get the "error opening drainage library file....\default.dlb". I go to save the preferences and its says "invalid drainage library stored in preferences. do you wish to save preferences anyway?"
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