Older installers may require legacy environment settings to function correctly on Windows 10 or 11. Right-click the Properties Compatibility Run this program in compatibility mode for and select Run this program as an administrator 5. Re-register the DLL
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The installer may lack the permissions needed to write files to the C:\Windows\System32 or SysWOW64 folders. Right-click the setup.exe and select Run as Administrator . Isarcextract.dll Download 64 Bit