Regrt_chs.dll file is part of product developed by OLReg Application. It is responsible for functionality. This part is required for to function. If you are planning on replacing regrt_chs.dll with a new version make sure that you backup your old file. Replacing regrt_chs.dll file with a diffent version can cause to malfunction.
|Dll file name
|Program Files (x86) CyberLink PowerDVD17 OLRSubmission Complex
|Program Files (x86) CyberLink PowerDVD17 OLRSubmission Simple