Versions

11, 0, 6000, 299	0.85%
11, 0, 6000, 290	1.69%
11, 0, 6000, 284	16.95%
11, 0, 6000, 281	1.69%
11, 0, 6000, 261	1.69%
11, 0, 6000, 251	0.85%
11, 0, 6000, 245	0.85%
11, 0, 6000, 239	1.69%
11, 0, 6000, 235	1.69%
11, 0, 6000, 225	0.85%
11, 0, 6000, 213	3.39%
11, 0, 6000, 209	2.54%
11, 0, 6000, 201	2.54%
11, 0, 6000, 200	3.39%
11, 0, 6000, 198	1.69%
11, 0, 6000, 160	3.39%
11, 0, 6000, 156	0.85%
11, 0, 6000, 155	0.85%
11, 0, 6000, 152	1.69%
11, 0, 6000, 149	3.39%
11, 0, 6000, 145	2.54%
11, 0, 6000, 142	0.85%
11, 0, 6000, 139	0.85%
11, 0, 6000, 130	0.85%
11, 0, 6000, 129	1.69%
11, 0, 6000, 121	1.69%
11, 0, 6000, 118	2.54%
11, 0, 6000, 107	1.69%
11, 0, 6000, 104	3.39%
11, 0, 6000, 101	7.63%
11, 0, 6000, 101	1.69%
11, 0, 6000, 101	1.69%
11, 0, 6000, 99	0.85%
11, 0, 6000, 88	12.71%
11, 0, 6000, 88	0.85%
11, 0, 6000, 87	0.85%
11, 0, 6000, 85	0.85%
11, 0, 6000, 76	1.69%
11, 0, 6000, 72	1.69%
11, 0, 6000, 69	0.85%

rtkapo.dll has 40 known versions, the most recent one is 11, 0, 6000, 299. The average file size is about 3.02 MB. It is an authenticode code-signed executable issued to Realtek Semiconductor Corp by the certification authority VeriSign. Some variations of the file have been seen to be installed with the program Realtek High Definition Audio Driver from Realtek Semiconductor Corp..