Avoid Registry Wow6432Node Redirection
You can use RegistryKey.OpenBaseKey to solve this problem: var baseReg = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64); var reg = baseReg.CreateSubKey(“Software\\Test”);
wow64
Why is RegOpenKeyEx() returning error code 2 on Vista 64bit?
I discovered that I could solve my problem using the flag: KEY_WOW64_64KEY , as in: result = RegOpenKeyEx(key, s, 0, KEY_READ|KEY_WOW64_64KEY, &key); For a full explanation: 32-bit and 64-bit Application Data in the Registry
VS2008: Unable to start debugging, Remote Debugging Monitor has been closed
If you are on a 64bit OS then you are ‘silently’ remote debugging. Devenv runs in WoW64 (meaning it’s a 32bit process) … when you hit F5 is launchs msvsmon.exe as a 64 bit process and sets up a communication channel between devenv and msvsmon “silent remote debugging” to allow debugging your 64 bit process. … Read more
Reading the registry and Wow6432Node key
On an x64 machine, here is an example of how to access the 32-bit view of the registry: using (var view32 = RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Registry32)) { using (var clsid32 = view32.OpenSubKey(@”Software\Classes\CLSID\”, false)) { // actually accessing Wow6432Node } } … as compared to… using (var view64 = RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Registry64)) { using (var clsid64 = view64.OpenSubKey(@”Software\Classes\CLSID\”, true)) … Read more
How much memory can a 32 bit process access on a 64 bit operating system?
2 GB by default. If the application is large address space aware (linked with /LARGEADDRESSAWARE), it gets 4 GB (not 3 GB, see http://msdn.microsoft.com/en-us/library/aa366778.aspx) They’re still limited to 2 GB since many application depends on the top bit of pointers to be zero.
Different results with Java’s digest versus external utilities
Got it. The Windows file system is behaving differently depending on the architecture of your process. This article explains it all – in particular: But what about 32-bit applications that have the system path hard coded and is running in a 64-bit Windows? How can they find the new SysWOW64 folder without changes in the … Read more