What exactly is your error? When does it occur?
This is what I have:
C:\Windows\winsxs\x86_avast.vc140.crt_fcc99ee6193ebbca_14.0.24210.0_none_9e58d6f8311e6fc8\api-ms-win-crt-runtime-l1-1-0.dll
[2016-10-13 08:43][2016-10-13 08:43] 0023232 ____A (Microsoft Corporation) 2F10F2255271B09D58AF75F58476899C [File is digitally signed]
C:\Windows\winsxs\x86_avast.vc140.crt_fcc99ee6193ebbca_14.0.23918.0_none_9b756b1a36307bc0\api-ms-win-crt-runtime-l1-1-0.dll
[2016-04-04 19:08][2016-04-04 19:08] 0023232 ____A (Microsoft Corporation) EC0AA3C4FF18459BFB1B82DE937D23D9 [File is digitally signed]
C:\Windows\winsxs\x86_avast.vc140.crt_fcc99ee6193ebbca_14.0.23506.0_none_9c04bbd034ecdf6b\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 19:06][2016-02-18 19:08] 0023224 ____A (Microsoft Corporation) F94740975936FDB8B3B73DD43C6477A6 [File is digitally signed]
C:\Windows\winsxs\amd64_microsoft-windows-u..rsalcrt-apifwd-win7_31bf3856ad364e35_6.1.7601.23303_none_aa7b39bb3e03d480\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 13:22][2015-11-19 09:07] 0016224 ____A (Microsoft Corporation) 4CDCE034568C1177325799A60F987F27 [File is digitally signed]
C:\Windows\winsxs\amd64_microsoft-windows-u..rsalcrt-apifwd-win7_31bf3856ad364e35_6.1.7601.23175_none_aa31870f3e3ad077\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 13:23][2015-07-18 08:14] 0016224 ____A (Microsoft Corporation) BBAE7B5436D6D1B0FC967FF67E35415F [File is digitally signed]
C:\Windows\winsxs\amd64_microsoft-windows-u..rsalcrt-apifwd-win7_31bf3856ad364e35_6.1.7601.19105_none_a9f39b9e24e46a3d\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 13:22][2015-11-19 09:07] 0016224 ____A (Microsoft Corporation) 4CDCE034568C1177325799A60F987F27 [File is digitally signed]
C:\Windows\winsxs\amd64_microsoft-windows-u..rsalcrt-apifwd-win7_31bf3856ad364e35_6.1.7601.18972_none_a9a51144251fb166\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 13:23][2015-07-18 08:08] 0016224 ____A (Microsoft Corporation) BBAE7B5436D6D1B0FC967FF67E35415F [File is digitally signed]
C:\Windows\winsxs\amd64_avast.vc140.crt_fcc99ee6193ebbca_14.0.24210.0_none_56aba0211ca246c2\api-ms-win-crt-runtime-l1-1-0.dll
[2016-10-13 08:43][2016-10-13 08:43] 0023232 ____A (Microsoft Corporation) 3C2162F8F05B362DDA8814505C555312 [File is digitally signed]
C:\Windows\winsxs\amd64_avast.vc140.crt_fcc99ee6193ebbca_14.0.23918.0_none_53c8344321b452ba\api-ms-win-crt-runtime-l1-1-0.dll
[2016-04-04 19:08][2016-04-04 19:08] 0023232 ____A (Microsoft Corporation) A195EC3EC8A4B1338533D1F492F83BA8 [File is digitally signed]
C:\Windows\winsxs\amd64_avast.vc140.crt_fcc99ee6193ebbca_14.0.23506.0_none_545784f92070b665\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 19:06][2016-02-18 19:08] 0023224 ____A (Microsoft Corporation) 552DF7C3E0EE3057ED5D3395F8A08984 [File is digitally signed]
C:\Windows\SysWOW64\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 13:22][2015-11-19 09:06] 0016224 ____A (Microsoft Corporation) D07F2E1FF3CA24A06ADDE429A0130E50 [File is digitally signed]
C:\Windows\System32\api-ms-win-crt-runtime-l1-1-0.dll
[2016-02-18 13:22][2015-11-19 09:07] 0016224 ____A (Microsoft Corporation) 4CDCE034568C1177325799A60F987F27 [File is digitally signed]
C:\Program Files (x86)\Mozilla Firefox\api-ms-win-crt-runtime-l1-1-0.dll
[2016-11-16 00:22][2016-11-30 18:19] 0023232 ____A (Microsoft Corporation) 2F10F2255271B09D58AF75F58476899C [File is digitally signed]
C:\Program Files\AVAST Software\Avast\setup\CRT\data\avast.vc140.crt\x86\api-ms-win-crt-runtime-l1-1-0.dll
[2016-10-13 08:42][2016-10-14 02:24] 0023232 ___AC (Microsoft Corporation) 2F10F2255271B09D58AF75F58476899C [File is digitally signed]
C:\Program Files\AVAST Software\Avast\setup\CRT\data\avast.vc140.crt\amd64\api-ms-win-crt-runtime-l1-1-0.dll
[2016-10-13 08:42][2016-10-14 02:24] 0023232 ___AC (Microsoft Corporation) 3C2162F8F05B362DDA8814505C555312 [File is digitally signed]
====== End of Search ======
Looks like there is one in System32 and then each program brings their own just to be sure. Your search just shows Office related files that are probably not in the Path so won't be found by anything but Office. You might try
the download for: All supported x64-based versions of Windows 7
on