The most common cause is a failed driver update. If Windows attempts to update a Qualcomm driver and the process is interrupted (due to a power loss or network drop), the qccoinstaller.dll file may be partially written or missing entirely.
This article is for informational purposes. Always back up your system before modifying drivers or DLL files. qccoinstaller.dll
May appear when using regsvr32 qccoinstaller.dll manually. Since many Qualcomm DLLs are not self-registerable COM objects, this error can be benign. The most common cause is a failed driver update
: Invalid entries in the Windows registry can prevent the system from finding the file. qccoinstaller.dll