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Hi all,

I am making use of:

Visual Studio 2010 Version 10.0.40219.1 SP1

I am unable to view any information about any variable within Visual Studio. When I start the debugger (which is in debug mode), the application starts and breaks at any given break point but, when it breaks, I am unable to view any information about any variable.

When I drag a variable into the Watch window it states the following:

Unable to evaluate the expression.

Any suggestion!
Many thanks in advance!
Posted 18-Nov-11 4:17am
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Solution 2

Hi all,

Just an update. I fixed the issue by un-installing the entire Visual Studio 2010 and installing it again. This included all the service packs and additional 2010 features installed.

Kind regards,
Albert Holguin 30-Nov-11 0:39am
Interesting problem, well.. at least reinstalling worked... Cheers
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Solution 1

It seems you are missing the debug symbols. Are you sure you have them turned on (this is the default when you choose a debug-configuration, although you can configure the release-mode to generate debug-info too)?
Programm3r 18-Nov-11 11:06am
Many thanks for the reply.

Yes, I am sure that the solution is in debug mode and that the .pdb files are being generated. I am currently busy re-installing my entire VS 2010 environment! I really hope that it will fix the issue, cause this is driving me mad!!
Nishant Sivakumar 18-Nov-11 11:07am
Ok, good luck then. It may be a corrupt installation.
Programm3r 18-Nov-11 11:09am
Could be, but it worked yesterday ... The other day I installed VS 11 Dev Preview, could this have messed anything up you think?
Nishant Sivakumar 18-Nov-11 11:10am
That's possible. I'd not have installed a dev preview on a regular dev machine (I usually use a VM for that).
Programm3r 18-Nov-11 11:10am
Well, either way lesson learned... Thanks!
Philippe Mori 18-Nov-11 18:44pm
I have installed VS 11 Preview and I haven't noticed any such problem and Visual Studio 2010 continue to works properly.

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