Libcurl.dll errors are caused by situations that lead to the deletion or corruption of the libcurl DLL file. In some cases, these errors can indicate a registry problem, a virus or malware issue, or even a hardware failure.
How to fix: libcurl.dll libcurl.so.4 libcurl.so.4.dll The specified module could not be found
Follow these steps in the order they are listed below to try the simpler solutions first.
Recover libcurl.dll from the Recycle Bin. The simplest possible cause of a "missing" libcurl.dll file is that you accidentally deleted it.
If you suspect this but you've already emptied the Recycle Bin, you may be able to recover the file with a free file recovery program.