It’s really a pain to continually register, unregister, and reregister a DLL (or worse, many DLLs) using REGSVR32. Importing the following into your registry, allows you to set up options in the context (right-click) menu for registering (or unregistering) DLLs quickly and easily. Just copy the text below into a .REG file and run it.
REGEDIT4[HKEY_CLASSES_ROOTdllfileshell
egister]@=