- the 64 bit version has some 64-bit related issues, thats why people should install the 32 bit verison
- when you uninstall the "wallet" you just uninstall the program .. not the blockchain, nor your personal wallet/private keys
- they are stored in in "%APPDATA%\Roaming" (enter this in the address field of the explorer) .. if you wanted to create a new wallet account with new password you can rename the "default" folder in "wallets" into .. say "wallets2"