Dciman32.dll errors are caused by situations that lead to the deletion or corruption of the Microsoft Display Control Interface (DCI) Manager DLL file. In some cases, dciman32.dll errors can indicate a registry problem, a virus or malware issue, or even a hardware failure.
dciman32.dll is missing in Windows 11 | How to Download and Fix Missing DLL File Error
Follow these steps in the order they are listed below to try the simpler solutions first.
Recover dciman32.dll from Recycle Bin The simplest possible cause of a "missing" dciman32.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 data recovery program.
