Error IIS ASP 0177 (0x800401F3) Inexplicable

[Myakire]

try this:

Here's one solution I've found over the internet as a response to this problem:

Error Type: Server object, ASP 0177 (0x800401F3)
Invalid class string

Run Regedit then go to

1. KEY_LOCAL_MACHINE/Software/Classes/CLASS_NAME
(Keep in mind that CLASS_NAME will be replaced with the class name you are trying to instantiate)
Right click on it and then Permissions. Allow Full Access for SYSTEM and Administrator. (To be sure it works I've added "CREATOR OWNER" and "Users" users and allow Full Access to those too)

2. KEY_LOCAL_MACHINE/Software/Classes/CLASS_NAME has a folder called CLASSID under it. Click on it and on the right side will appear the code of the class. This code you will type it in place of CLASS_ID in the following step

3. Go to HKEY_LOCAL_MACHINE/Software/Classes/CLSID/{CLASS_ID} and add the same permissions as in the step 1. Restart the computer and try run the script (It worked for me)

Good luck.
Andras