It is tempting to click the first link that promises a ZIP file containing the missing component. However, downloading individual DLL files or archives from third-party "DLL Repository" websites is highly discouraged by IT professionals and Adobe alike. Here is why searching for a can cause more harm than good.
90% of "missing DLL" errors in Lightroom are actually due to missing Visual C++ runtimes.
Cybercriminals know that users searching for DLL files are often frustrated and willing to bypass security. Files labeled as Lightroom_DLLs_64bit.zip frequently contain:
: Use a tool like Windows Explorer or WinZip to extract the two DLL files.