Qccoinstaller.dll Jun 2026

"qccoinstaller.dll is either not designed to run on Windows or it contains an error." Causes of Errors

The Windows Registry maintains references to where DLL files are located. If a registry key related to the Qualcomm installer is corrupted, the system may look for the file in the wrong location, resulting in a "not found" error. qccoinstaller.dll

Qualcomm Incorporated (often distributed by Xiaomi). Associated Software: Qualcomm USB Drivers, MiFlash, QPST. Common Paths: C:\Windows\System32\ "qccoinstaller

If SFC fails, run DISM to restore system health: this error can be benign.

May appear when using regsvr32 qccoinstaller.dll manually. Since many Qualcomm DLLs are not self-registerable COM objects, this error can be benign.