Download the latest supported Visual C++ Redistributables from the official Microsoft site .
Visit the official download pages for NVIDIA , AMD , or Intel to update your drivers. 4. Check Antivirus History
A frequent culprit is trying to load a 32-bit plugin into a 64-bit version of Rainmeter (or vice versa). Both the application and its extensions must share the same bit architecture.
Rainmeter.dll Load Error 126 is a common Windows error indicating that
Modern antivirus tools protect against "DLL hijacking" by blocking applications from loading DLLs from certain locations. This can trigger error 126.
We will proceed from the most likely (and easiest) solution to the most complex. Perform these steps in order. Test launching Rainmeter after each step.