Rainmeter.dll Load Error 126 ((free)) File

This is the "forensic" method. We will use a tool to see exactly which DLL is missing.

Rarely, antivirus or ransomware protection can block Rainmeter from loading its .dll files, mistaking its behavior for an infection. Temporarily disable your real-time protection (Windows Defender or third-party AV) and try launching Rainmeter. If it works, add Rainmeter.exe and the Rainmeter installation folder to your security software’s exclusion list. Rainmeter.dll Load Error 126

or the latest version is enabled in "Turn Windows features on or off". You can download the latest runtime from the Microsoft .NET download page 3. Check Antivirus Exclusions This is the "forensic" method

A corrupted Windows Component Store can break the low-level "API Set" DLLs that Rainmeter calls. This is rare but fixable. You can download the latest runtime from the Microsoft

Open and check "Protection History" for any blocked Rainmeter files.