Imaging doesn't start after choosing job from Managed Deployment window

We have started seeing an issue where when a tech goes to reimage a machine, PXE works fine, the Managed Deployment window comes up, they select the right job and then nothing happens.

The console says it's waiting to get the agent task.

I put a ticket in, but wondered if anyone had run across this as well or had suggestions  We are 7.5 SP1 latest hot fix.

If I reboot the machine and repeat the same process, choosing same job, it works fine the 2nd time.  Some timing issue I wonder of when the job is selected or something?

Here's a snippet from the pectagent.log showing it knows we chose the Win7 64 bit image but then it just sits.  I

<XmlData><InitialDeploymentEvent><ActionType>Execute Task</ActionType><IntialDeploymentJobTaskGuid>7608d334-b1c1-4b22-b2d2-6823ab8caa81</IntialDeploymentJobTaskGuid><TaskName>Win7 64bit Admin Laptop (Office 2013)</TaskName><TaskDescription></TaskDescription></InitialDeploymentEvent></XmlData>
</body>
</message>

[2015/04/16 08:37:25.251 1244:1248 2] apps\DeploymentClient\PECTAgent\InitialDeployTask.cpp:278 CInitialDeployTask::PostInitialDeployNSE(): calling HttpPost()
[2015/04/16 08:37:25.476 1244:1248 2] apps\DeploymentClient\PECTAgent\InitialDeployTask.cpp:283 CInitialDeployTask::PostInitialDeployNSE(): PostEvent response=Event successfully processed.
[2015/04/16 08:37:25.476 1244:1248 2] common\util\ExecuteCommand.cpp:5311 initializing Client Task Agent

[2015/04/16 08:37:25.476 1244:1248 2] common\util\ExecuteCommand.cpp:5316 Starting Client Task Agent

[2015/04/16 08:37:25.476 1244:1248 2] Entering into RunMessageLoop