Note: while this page is written to address Windows 10 (Win 10), it applies to Win 7/8/8.1/10/11.
The Microsoft Windows 10 operating system includes User Account Control (UAC), a security technology that limits access to critical system resources. With UAC, when an action requiring administrative rights is requested, the user is prompted for an administrator name and password; in cases where the user is already logged in as an administrator, the user is still prompted to confirm the action.
The following notes address installing and running RelCalc V5.1 on Windows 10.
Note: RelCalc V5.1 will run on 32-bit and 64-bit versions of Windows 10.
Installing RelCalc on Windows 10
- RelCalc Version: If you want to run the RelCalc software on Win 10, you MUST use RelCalc V5.1 (Build 2017.1057) or later.
Important Note: the old RelCalc V5.0 is NOT Win 7/8/10/11 compatible.
Note: you can find your current RelCalc version by using the Help/About RelCalc menu item.
If you're running an older version of RelCalc, see the What's New page for details on getting the latest version.
- Installation Rights: The RelCalc setup installation program needs to run with administrative rights. The Win 10 UAC system typically detects installation programs and requests elevated administrative rights, so when you start the RelCalc setup program you should be prompted for permission to continue.
Note: the Win 10 UAC "Detect application installations and prompt for elevation" setting is enabled by default, but it can be turned off. If this setting is disabled, the RelCalc setup will not be able to properly install RelCalc. Thus, if you do not get a permission prompt when you start the RelCalc setup program, please start it again by right-clicking its icon and choosing the "Run as Administrator" menu item.
- Installation Location: Do NOT install RelCalc under the "C:\Program Files" folder, since under the Win 10 UAC system the "C:\Program Files" folder is a protected location. We recommend installing RelCalc in the default location offered by RelCalc setup.
Running RelCalc on Windows 10
- Administrative Rights Not Required: If you follow the directions above when installing RelCalc, then you should be able to run RelCalc on Win 10 without administrative rights.
- RelCalc User Settings: We save various RelCalc program settings and preferences in an INI file in your "C:\Windows" folder. Since this is a Win 10 UAC protected folder, the Win 10 UAC system will actually write the data to a virtualized file copy that is stored under your user profile. Note that if you have multiple user accounts on your Win 10 machine, and if more than one of the users is using RelCalc, then each user's RelCalc settings are saved to a different virtualized copy. Helpful Tip: You can find this virtualized copy location by navigating to the "C:\Users\<username>\AppData\Local\VirtualStore\Windows" folder in Windows Explorer.
Questions or Problems
If you have any questions or problems, please contact us.
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