Windows 64 bit

asked 14 Sep '11, 08:01

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Jake ♦♦
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accept rate: 98%


When a 32-bit Windows application is executed on Windows 64-bits, it runs under the wow64 subsystem (WoW stands for 'Windows on Windows'). This has the side-effect that access to certain parts of the registry and filesystem gets transparently redirected. This is irrelevant for most applications, but because InstallBuilder itself is a 32bit application, if you are using it to install a 64-bit application you need to tell InstallBuilder to disable these redirections. You can do so with this settings:

<project>
 ...
 <windows64bitMode>1</windows64bitMode>
 ...
</project>

The above is equivalent to individually disable filesystem redirection with

<project>
 ...
 <initializationActionList>
    <wow64FsRedirection action="disable" /> 
 </initializationActionList>
 ...
</project>

and accessing the 64bit registry using built-in actions such as <registryGet> with the option wowMode="64"

Please note that for installing 32-bit applications on Windows 64-bit, in most cases these changes are not necessary.

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answered 14 Sep '11, 08:03

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Jake ♦♦
796222226235
accept rate: 98%

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Asked: 14 Sep '11, 08:01

Seen: 1,461 times

Last updated: 14 Sep '11, 08:03