Adobe AIR 3 Performance Issues and Code Signing Certificate Problem

I recently updated to Adobe AIR 3.0 SDK (and runtime) doing HTML/Javascript development using Dreamweaver CS5.5 in a Windows 7 Home Premium (64 bit).
The AIR app I'm developing runs well from within Dreamweaver. But when I create/package the AIR app and install it on my machine:
1. The app literally CRAWLS running it in my Windows 7 12G RAM machine (especially when I use the mouse to mouse over a 19-by-21 set of hyperlinks on a grid) --- IT IS THAT SLOOOOWWWW...
2. The app runs fine in my Mac OS X 10.6.8 with 4G RAM, also using the Adobe AIR 3 runtime.
About the Code Signing Certificate problem:
When I try to package the AIR app with ADT using AIR's temporary certificate feature, I get the error message "Could not generate timestamp: handshake alert: unrecognized_name".
I found some discussions on this problem in an Adobe AIR Google Groups forum, but no one has yet offered any resolution to the issue. Someone said Adobe is using the Geotrust timestamping service --- located at https://timestamp.geotrust.com/tsa --- but going to this page produces a "404 --- Page not found" error.
The Google Groups Adobe AIR page is here:
http://groups.google.com/group/air-tight/browse_thread/thread/17cd38d71a385587
Any ideas about these issues?
Thanks!
Oscar

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PowerShell PKI Module: pspki.codeplex.com
PowerShell Cmdlet Help Editor pscmdlethelpeditor.codeplex.com
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Today I installed the code signing certificates and all the updates necessary to deploy my code to a device. That part works fine, and I'm able to install and run my apps on the iPhone device.
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