Step 3 : Click “ Repair All” to fix all issues. Step 2 : Click “ Start Scan” to find Windows registry issues that could be causing PC problems. Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified). The program fixes common errors that might occur on Windows systems with ease - no need for hours of troubleshooting when you have the perfect solution at your fingertips: Additionally it is a great way to optimize your computer for maximum performance. You can now prevent PC problems by using this tool, such as protecting you against file loss and malware. This explains why 32-bit kernel-mode device drivers and applications based on them do not work on 64-bit Windows.Īctivating 32-bit installations on 64-bit Windows computers Since WOW64 operates in user mode, all 32-bit application codes must also operate in user mode. Like 32-bit applications, WOW64 operates in user mode, so that errors that occur when translating an operating system call only occur at this level. The corresponding native 64-bit system call is transmitted to the operating system core and all output data from the 64-bit system call is converted to a format suitable for the calling application before being returned. WOW64 intercepts all operating system calls made by a 32-bit application.įor each operating system call, WOW64 generates native 64-bit system calls and converts 32-bit data structures into 64-bit oriented structures. Under Windows 64-bit, 32-bit applications run on an emulation of a 32-bit operating system called Windows 32-bit under Windows 64-bit, or WOW64 for short. That’s why installing a 32-bit program on a 64-bit operating system is as simple as installing a normal computer program. Your operating system still has the ability to run 32-bit programs by “emulation” – basically, your computer will make the program think it is running a 32-bit operating system. 
If you have a 64-bit operating system on your computer, this does not mean that you can only use 64-bit software.
The tool will then repair your computer. Download and install the repair tool here. Updated April 2022: Stop getting error messages and slow down your system with our optimization tool. Activating 32-bit installations on 64-bit Windows computers.
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