Registry Keys Affected by WOW64

Under WOW64, certain registry keys are redirected. When a 32-bit or 64-bit application makes a registry call for a redirected key, the registry redirector intercepts the call and maps it to the key’s corresponding physical registry location. For more information, see Registry Redirector. Other registry keys are shared by both 32-bit and 64-bit applications on 64-bit Windows. 32-bit registry calls to shared keys are not redirected. Instead, one physical copy of the key is mapped into each logical view of the registry. Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP:  A subset of redirected registry keys are […]

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Additional Windows Resource Protection on Registry Keys

Platform Clients – Windows 7 Servers – Windows Server 2008 R2 Feature Impact Severity – Medium Frequency – Low Description Additional system resources have added Windows Resource Protection (WRP) settings in Windows 7, making them read-only settings. The vast majority of resources that received added protection are system COM server keys, although some features have added targeted resource protection. Microsoft changed these resources in order to protect the system and other applications from breaking each other and to provide a consistent, stable platform upon which applications can reliably run. In the past, applications could provide custom files and use the […]

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How to view the system registry by using 64-bit versions of Windows

The registry in 64-bit versions of Windows is divided into 32-bit and 64-bit keys. Many of the 32-bit keys have the same names as their 64-bit counterparts, and vice versa. The default 64-bit version of Registry Editor (Regedit.exe) that is included with 64-bit versions of Windows displays both 64-bit keys and 32-bit keys. The WOW64 registry redirector presents 32-bit programs with different keys for 32-bit program registry entries. In the 64-bit version of Registry Editor, 32-bit keys are displayed under the following registry key: HKEY_LOCAL_MACHINESoftwareWOW6432Node You can view or edit both 64-bit and 32-bit registry keys and values by using […]

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