Internet Explorer performs the following checks on all downloaded files
that are associated with an ActiveX control (Basically, all files listed in
the [Add.Code] section):
- Is a file of the same name already in Downloaded Program Files?
- Is the CLSID of the main component (from the <OBJECT> tag) different
from that of the previously installed component that caused the
download of this file.
- One of the following:
- The file itself has no CLSID.
- The file itself has a main CLSID, but it is different from the CLSID
of the file that was already in Downloaded Program Files.
If the answer to all three questions is Yes for any one file, a unique
subdirectory is created named CONFLICT.x, where .x is a unique number. All
files in the [Add.Code] sections that were supposed to appear in the
Downloaded Program Files folder are installed in the Conflict directory.