If you want, share where you see the error (Windows app, Chrome, Edge, which Reolink model/firmware). I can give a more targeted fix.
Delete the Reolink folder in C:\Users\[YourUsername]\AppData\Roaming\reolink . reolink javascript error 126
A standard uninstall often leaves behind "junk" configurations that carry the error over to the new version. Uninstall the Reolink Client via . If you want, share where you see the
If you must use Internet Explorer, or if your camera is older and requires the Reolink Web Plugin, Error 126 means the browser is actively blocking the installation or execution of that plugin. If you are on an older version of
If you are on an older version of Windows (like Windows Server 2016), changing the compatibility mode can bypass linking errors. Right-click the Reolink Client shortcut or installer. Go to .
It sounds like you’re dealing with throwing JavaScript error 126 — likely in their Windows client, browser plugin, or mobile app web interface.
Reolink provides a desktop client that does not rely on browser scripts (JavaScript/ActiveX) to function.