I am unable to install windows wallet.Getting error.
I experienced similar problem, i am now feeling that gplay dev should do something that will not attract community been suspicious of his project.

If you installed the previous wallet you need to:
1. delete the files in %APPDATA%\Gplay\
2. Download new wallet (links are above)
3. Open new wallet
*this should fix the problem.
I would appreciate if you could have paper or web wallet available. For now I would not download the desktop client.
Can you provide access to the wallet source code, so we can have better visibility and compile it by ourself.
Sorry but I think your current profile/announcement does not sound reliable enough due to multiple indicators.
We are working on a web wallet but will take some time. You can find wallet source code on our homepage
www.gplaymarket.com (under wallets tab) - you can compile yourself