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Bug Validator Help

 

Waiting for a program

 

Waiting for a program is essentially the same as injection except that instead of injecting into a running program, Bug Validator watches for the process starting up and then injects.

 

noteIf the process is a service, Bug Validator won't be able to attach to it as services can't have process handles opened by third party applications, even with Administrator privileges.

 

Choose one of these methods of waiting:

 

menu File menu instructionStep Wait for Application... instructionStep shows the Wait for application wizard or dialog below

 

or click on the Wait (timer) icon on the session toolbar.

 

 toolbar-wait-for-program

 

or use the shortcut

 

 b_f2  Wait for application

 

 

Administrator privileges

 

The following applies only if you did not start Bug Validator in administrator mode.

 

If the application you want to wait for is running with Administrator privileges, Bug Validator will also need to run with Administrator privileges.

 

When choosing the 'wait for program' method described in this topic, a restart of Bug Validator with administrator privileges will be required to proceed.

 

wait-admin-privileges-in-any-mode

 

 

Waiting for a service?

 

If your process is a service, Bug Validator won't be able to attach to it.

 

Services can't have process handles opened by third party applications, even with Administrator privileges.

 

In order to work with services, you can use the NT service API and monitor the service

 

 

The wait for application dialog

 

The wait for application dialog lets you specify the application or choose one that you've waited for previously.

 

If you choose a previously waited for application the Application Path Policy will be set to the same value as used with that application.

 

 

start-wait-wizard-application

 

 

Data collection

 

Depending on your application, and what you want to validate, you may want to start collecting data as soon as injection has happened, or do it later.

 

If your program has a complex start-up procedure, initialising lots of data, it may be much faster not to collect data until the program has launched.

 

If it's the startup procedure you want to validate, obviously start collecting data from launch.

 

seeAlsoSee the section on controlling data collection for how to turn collection on and off after launch.

 

 

Specifying the application

 

Application Path Policy instructionStep specify how the specified executable is treated

 

oPath to executable exists instructionStep the executable will be checked that it exists and is appropriate for Bug Validator to work with

 

oPath to executable is created dynamically instructionStep most pre-wait checks are not performed - use this if the path the executable is on does not exist at the time you start waiting for the process to start

 

Application to wait for instructionStep type or Browse to set the application name to launch

 

 

Alternatively, select a previously waited for application from the list.

 

Full path instructionStep shows the full path to the process executable in the list
 

Image Name instructionStep shows the short program name without path

 

Reset instructionStep clears the list

 

 

Waiting for an application

 

Wait For Process instructionStep start waiting for the specified executable to start

 

Stop Waiting instructionStep stop waiting for the specified executable to start

 

 

What could go wrong?

 

The program you're waiting for might already be running, in which case you'll be given the option to cancel or attach to the existing process:

 

already-running

 

Timing issues are inherit with native injecting into a program as it starts up.

 

This could cause the injection to fail in unpredictable ways and you may see dialogs like that below:

 

inject-into-process-failed1

 

One case when this dialog can occur is if the program needs to run at an elevated privilege and is waiting for the user to give permission via the UAC dialog.

 

Injection may fail for different reasons and you might see the following information dialog showing:

 

messages relating to the specific failure

a selection of reasons why failure might be occurring

some possible solutions to the problem

 

inject-into-process-failed

 

Sometimes retrying a few times might catch a better moment for attaching to the process.

 

seeAlsoIn the general questions see Why might Inject or Launch fail? for troubleshooting launch problems.