This will only occur on installations of Internet Scanner that have been 
previously uninstalled and then installed.  What happens is the first XPU from 
SiteProtector (7.0.1) will fail with the "CommNotify" Error, a second attempt 
to install the XPU will yield the "Installation of update failed" Error. By 
editing the issdaemon.policy, you are letting the XPU take the second time, but 
will fail on the next.... and so on... and so on with this:

=======================================

"Installation of update failed.ERROR: CommNotify - the wait for an event timed 
out. [ID=0xc742000e]"

and then 

"Installation of update failed. The update package has already been installed 
on this component. An update cannot be installed more than once. Uninstall it 
before trying this operation. [ID=0x8733002d]"

=======================================

What is going on is the follwoing.  The XPU gets transferred over to Internet 
Scanner, runs itself, and UNINSTALLs itself because of InstallSheild 
information left over from the previous install (look at the .xml logs in 
C:\WINNT\ that the XPu creates - you will see install, then uninstall, then 
install, etc.).  Because InstallSheild thinks the XPU is applied, it will 
uninstall the XPU instead of installing it and the Installsheild information 
gets removed, so that after you edit the daemon and apply it again.. this info 
is not there and the XPU will apply, but the next will uninstall... etc. etc.

Here's how to fix it. Stop the issDaemon. Determine the XPU that is installed 
successfully at this time (look in the modules directory of the scanner) and 
remove the directories below so that the updates will install rather than 
uninstall.  Before you reinstall make sure all these are gone or you will run 
into this problem again and again:  

.\Program Files\InstallShield Installation Information\

7.0.1 - {AABB0300-3801-11D4-812E-00902774099E}
7.0.2 - {5128CA7A-947A-43F3-A4E9-ED87E0EBEE30}
7.0.3 - {11CB6BBB-3357-4529-9C15-1B1EA84F7E6E}
7.0.4 - {11CB6BBB-3357-4529-9C15-1B1EA84F7E6F}
7.0.5 - {D43A87BE-CB2D-43CB-8F8D-D52850669F9F}
7.0.6 - {FFAA0706-3801-11D4-812E-00902774099E}
7.0.7 - {FFAA0707-3801-11D4-812E-00902774099E}
7.0.8 - {FFAA0708-3801-11D4-812E-00902774099E}
7.0.9 - {FFAA0709-3801-11D4-812E-00902774099E}
7.0.10 - {FFAA0710-3801-11D4-812E-00902774099E}

Forgot what the GUIDs are for XPUs, 7.0.11-7.0.13 are. TechSupport can help you 
out there (or look in the uninstall .xml file in C:\Winnt if you already 
applied these previously - should be somewhere in there)

==============================
Hey,

It seems as though there are a few things contributing to the timeout�s I have 
noticed while updating the Internet Scanner. Firstly renaming the scanner 
sensor name to all lower-case allowed the procedure to begin, however only one 
update installed and it continued to hang.

A work-around I discovered was to delete the later XPU�s presence from the 
issDaemon.policy file located on the scanner machine and re-apply one at a 
time, reboot the scanner and restart all services on the SiteProtector machine. 
This one XPU will now install, and each XPU requires that exhaustive procedure. 
The sensor history looks like:

[date]    Apply Update    Completed
[date]    Apply Update    Unknown
[date]    Apply Update    Completed
[date]    Apply Update    Unknown
�

If I don�t do this the two outcomes are an indefinite hang waiting for the 
remote machine to complete, or an error saying the remote machine already has 
the XPU installed (even though RealSecure doesn�t recognize this).

Anyone had the same problems? Any comments and suggestions are welcome.

-a
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