Enter the file name, and select the appropriate operating system to find the files you need:

wmasf.dll File Information

Microsoft? Windows? Operating System
Microsoft? Windows Media Services
Microsoft Corporation
? Microsoft Corporation. All rights reserved.
Windows Media ASF DLL


This file can be used in the following paths:
  • • c:\windows\system32\
  • • c:\windows\syswow64\
  • • c:\windows\servicepackfiles\i386\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.14393.0_none_d52a5c1b571ab1b3\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.10586.0_none_343b88f8eabf407d\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.15063.0_none_b8c9c9d97936c6b4\
  • • c:\windows.old\windows\system32\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.10240.16724_none_afbaec26db112386\
  • • c:\windows\winsxs\x86_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.10240.16724_none_539c50a322b3b250\
  • • c:\windows\registeredpackages\{aac1d942-0b38-4e37-9e4e-5b96a9dd2170}\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_6.3.9600.18229_none_98ba022f142a20e8\
  • • c:\swsetup\sp69704\field\drivers\audio\drivers\generic_audio\missing_dll\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_6.3.9600.17415_none_98c0eb8714258048\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.16199.1000_none_ad44b52b74f37fcc\
  • • c:\windows\system32\dllcache\
  • • c:\windows\registeredpackages\{aac1d942-0b38-4e37-9e4e-5b96a9dd2170}$backup$\system\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.16299.15_none_caa21c92b18c8076\
  • • c:\windows\softwaredistribution\download\64e479102960b6fb7ce894f3e5efe4a8\emerald\
  • • c:\windows\softwaredistribution\download\64e479102960b6fb7ce894f3e5efe4a8\wmp9l\
  • • c:\windows\softwaredistribution\download\64e479102960b6fb7ce894f3e5efe4a8\wmp9nl\
  • • e:\windows\registeredpackages\{aac1d942-0b38-4e37-9e4e-5b96a9dd2170}$backup$\system\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.17134.1_none_8d367cf7a9927336\
  • • c:\windows\winsxs\amd64_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_10.0.17763.1_none_987bda8598917948\
  • • c:\windows\winsxs\x86_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_6.0.6000.16386_none_a57f2ea4437cfc78\
  • • c:\windows\winsxs\x86_microsoft-windows-mediaplayer-wmasf_31bf3856ad364e35_6.0.6000.20708_none_a66151155c57e6dd\
  • The above paths are the common paths where this file is located, but does not mean that it must be stored in the above paths. The file should be stored in the actual installation path of the software.
    Tip: If you cannot find the software installation path, you can follow the path suggested above, find one by one, and put the file inside the path found.
Tip: How to correctly select the file you need
  • 1.  If you know MD5 value of the required files, it is the best approach to make choice
  • 2.  If your original file is just corrupted but not lost, then please check the version number of your files. (Method: Click your original file, and then click on the right key to select "Properties" from the pop-up menu, you can see the version number of the files)
  • 3.  If your operating system is 32-bit, you must download 32-bit files, because 64-bit programs are unable to run in the 32-bit operating system.
  • 4.  There is a special case that, the operating system is a 64-bit system, but you are not sure whether the program is 32-bit or 64-bit. If you encounter this situation, check the file path to see whether there are any other files located in. If yes, please check the properties of these files, and you will know if the file you need is 32-bit or 64-bit.
  • If you still can't find the file you need, you can leave a "message" on the webpage.
  • Download wmasf.dll file:
  • File Version File Md5 File Bit File Size Download
  • 11.0.5721.5145 (WMP_11.061018-2006) 808058051c6848fa80622903c12ac95032 bit217 KDownload this files
  • 11.0.5721.5238 (WMP_11.071025-0642) 7365b5ca9747c84178d42cca7248627732 bit217 KDownload this files
  • 12.0.14393.0 (rs1_release.160715-1616) 8e134087e2283309059a22ad3ef86b0432 bit266 KDownload this files
  • 12.0.15031.0 (rs2_release.170204-1546) 1e4a3613b27b9a550ede8835d4c868cd32 bit243 KDownload this files
  • built by: DNSRV(bld4act) 2e8fcfa756264588d1e2a52eebd20fbf32 bit224 KDownload this files
  • 11.0.5721.5262 (WMP_11.090130-1421) c77a18954c448dd9f87585247851501a32 bit217 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) 31af133d4a9d3d1f4708a47f6d50524b32 bit225 KDownload this files
  • 12.0.14393.0 (rs1_release.160715-1616) ae4aeb19dbb4d0afba48802809ebf5bf64 bit308 KDownload this files
  • 12.0.15063.0 (WinBuild.160101.0800) 6f17bbd937065af302be3bd1303a68aa32 bit247 KDownload this files
  • 12.0.10586.0 (th2_release.151029-1700) 523eaa0aae7c7a5d715a4c0a9b8713cb32 bit244 KDownload this files
  • 12.0.9600.18229 (winblue_ltsb.160205-0600) 23e3c47e971c5889dd036e8bee8c321332 bit237 KDownload this files
  • 12.0.10586.0 (th2_release.151029-1700) 7f37e3e770be971f7ef2e77f10a74d6464 bit292 KDownload this files
  • 12.0.9600.17415 (winblue_r4.141028-1500) 1ac83074f76bb743acfcaa2630cb6f9b32 bit239 KDownload this files
  • 12.0.15063.0 (WinBuild.160101.0800) bc787a42f92e208c2b0d43972b4f958d64 bit318 KDownload this files
  • 12.0.10240.16724 (th1_st1.160222-1812) 45450eb7b44c2dcc9f698fdc9ffe93bc64 bit292 KDownload this files
  • 12.0.10240.16724 (th1_st1.160222-1812) aff3db8e69e5328c2cb1e46fd01d5e7132 bit244 KDownload this files
  • (xpsp.080413-0845) d78acec9be22278fb3e54c42756b09bc32 bit225 KDownload this files
  • 12.0.9600.18229 (winblue_ltsb.160205-0600) b8c5844d4576612f286e9e55bfbae73b64 bit285 KDownload this files
  • built by: Microsoft 289b5b83f5d12f46cc16608729e05b4832 bit222 KDownload this files
  • 11.0.6000.6345 (vista_gdr.071024-1500) 64b7373d5dd4995c57a9afce45fe958632 bit218 KDownload this files
  • 12.0.9600.17415 (winblue_r4.141028-1500) 159846dc5b0094f5642058bacff66ef264 bit288 KDownload this files
  • built by: DNSRV(bld4act) 47b95f784dea1d9d100e915293ae1e4432 bit219 KDownload this files
  • 12.0.16199.1000 (WinBuild.160101.0800) 2c6ee0294125b19a41474d95513cade632 bit243 KDownload this files
  • 12.0.16199.1000 (WinBuild.160101.0800) a388ecf8525220a7fb36b304209629c164 bit314 KDownload this files
  • (srv03_sp2_rtm.070216-1710) 6584e016977589fe6974f105a0c1014d32 bit222 KDownload this files
  • (srv03_sp2_gdr.071023-1403) bfd1a89e0c4b442923f1619b7b0eebe532 bit223 KDownload this files
  • (xpsp.080413-0845) c26101bad875d4ffd84b1a8978bad58032 bit225 KDownload this files
  • (xpsp.080413-0845) 5324f2ab64bb2c1562b1dbcb78c5312432 bit225 KDownload this files
  • (xpsp.080413-0845) 72f12ca8aa35c87a54cc7349d81d9d0d32 bit225 KDownload this files
  • (srv03_sp2_rtm.070216-1710) ea89e530bb40f309f112aefb8d18231332 bit222 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) 354bfff4dd27f4a31e6233e80bd3ba0132 bit225 KDownload this files
  • 12.0.16299.15 (WinBuild.160101.0800) 7beb12157d8ce84dea5684c62a270e0d32 bit247 KDownload this files
  • 12.0.16299.15 (WinBuild.160101.0800) ad8abfcef762aaafec9201fb8b7ea9d464 bit327 KDownload this files
  • (xpsp.071030-0315) 9792df5b3f7e93d04be469f83ffa17f932 bit225 KDownload this files
  • built by: dnsrv(bld4act) fc695db7fc72ffe0b628227434fa53c232 bit223 KDownload this files
  • built by: xpsp(bld4act) 6f66f81b409c73bbbe12953cefa97d0032 bit217 KDownload this files
  • (xpsp_sp2_qfe.071025-1245) 8a5835e8129ad1baf4343d259b2a795932 bit225 KDownload this files
  • 12.0.9431.0 (winmain_bluemp.130615-1214) 94cc3ecdc60739db7671ca412ea872a432 bit207 KDownload this files
  • built by: dnsrv(bld4act) 8f8e038d81e16103cfb2772e13bf2d1a32 bit219 KDownload this files
  • (xpsp.080413-0845) 0ffd273f94cd149b4233138f18bbbd1032 bit225 KDownload this files
  • (xpsp.080413-0845) 325e7c2a80365c928f57924e6f7cbbf932 bit225 KDownload this files
  • (xpsp.080413-0845) 6f6ff3e14d559afe92f4dbcd19e95d4932 bit225 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) 24f144e18940ccb8be2ef34ee97c0a9532 bit225 KDownload this files
  • 12.0.17134.1 (WinBuild.160101.0800) c15b5d575d0e792afc6395c866e264f332 bit248 KDownload this files
  • 12.0.17134.1 (WinBuild.160101.0800) f4f54cdead69459522466e457d6c384b64 bit328 KDownload this files
  • (srv03_sp2_gdr.071023-1403) c17ecf9700f3f2407852cfa80659324e32 bit223 KDownload this files
  • (xpsp.080413-0845) a064fab5633f6b1dbf29fbe4632a672332 bit225 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) d8c1a7df07e29b5f6c4c03c0690edabe32 bit225 KDownload this files
  • (xpsp.080413-0845) 5dfbb96882d7430f7ee921286c2b077032 bit225 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) 8218cb731966ac403746552a7443e50c32 bit225 KDownload this files
  • 12.0.17763.1 (WinBuild.160101.0800) 59c9bacb52e8bef68e23f0466b344f9432 bit243 KDownload this files
  • (xpsp.080413-0845) 9f96625b24351ba680a2ab7bfbf8b9b132 bit225 KDownload this files
  • built by: dnsrv(bld4act) 8145d7c7d9f51b11f67d95e531295b0d32 bit222 KDownload this files
  • (private/xpsp_mce.040810-0205) 78bb2ccd470f10e2781628f7325dc2e632 bit218 KDownload this files
  • 12.0.17763.1 (WinBuild.160101.0800) fc54018cba99701535dd08c1d6f6cb3064 bit333 KDownload this files
  • (srv03_sp2_qfe.071023-1403) 8d6db154bd400d6ced46f25d9dbc750832 bit223 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) c92161d6266cc0667dc0f6faccd6d3b432 bit225 KDownload this files
  • (xpsp.080413-0845) 1b60a14ab103d6444c954af999993a0032 bit225 KDownload this files
  • (xpsp.080413-0845) ba1f1ff7d447a9117331e6010767db8632 bit225 KDownload this files
  • 12.0.18362.1 (WinBuild.160101.0800) 3d7068597acf31109f71b9d9fffc886732 bit242 KDownload this files
  • (xpsp_sp2_rtm.040803-2158) c11c233147d9bd9e2f14c190b44dadd732 bit225 KDownload this files
  • 12.0.17133.1 (WinBuild.160101.0800) f4f480e5f0c41ff1c8791a1e0f4424d032 bit248 KDownload this files
  • 11.0.6000.6324 (vista_rtm.061101-2205) 5f390424eca1719af8ba4dae28a20dca32 bit218 KDownload this files
  • 11.0.6000.6345 (vista_ldr.071024-1500) d15cc43d94f464968514f35b8726260032 bit218 KDownload this files
  • (private/xpsp_mce.040810-0205) e58d044a53c7bf5d9ac722ae28925d1732 bit218 KDownload this files
  • (xpsp.080413-0845) d0dc01ff18092c8a258dc5cc79f5ae8432 bit225 KDownload this files
  • 12.0.19041.1 (WinBuild.160101.0800) 570cfe5c0eac3d8097ab06749043a38332 bit241 KDownload this files
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