How to download and run SubInACL
Here are some steps that can be used to download and run the SubInACL tool to repair file and registry permissions that are often needed to successfully install programs on Windows, particularly for MSI-based (Windows Installer) setups:
1. Download the SubInACL tool and install it. By default it will install to c:\Program Files\Windows Resource Kits\Tools
2. Go to the Start menu, choose Run, type cmd and click OK
3. Type notepad reset.cmd and click yes to create a new file named reset.cmd
4. Copy and paste the following contents into reset.cmd and then save and close it (or download it from this location on my file server and rename it from reset.cmd.txt to reset.cmd):
cd /d "%programfiles%\Windows Resource Kits\Tools"
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f /grant=system=f
subinacl /subdirectories %windir%\*.* /grant=administrators=f /grant=system=f
5. Type reset.cmd and press enter to run the SubInACL tool (you will need to have adminstrator privileges for this to run correctly). This tool will take several minutes to run
6. After reset.cmd completes, try to install the product that previously failed to install correctly on your system
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