Symantec Endpoint Protection Client Installations on Windows Platforms
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-032-SONAR_IU_SEP.exe	09/01/2026	9/1/2026	5.83 MB			EC3FD1A26296D21ECC573DA7150CF8C7
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 to 14.3 RU1
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-032-SONAR_IU_SEP_14_3_RU2.exe	09/01/2026	9/1/2026	5.83 MB			DD0E3F39EC9718B4E5C11AE18FB73210
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU2
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-032-SONAR_IU_SEP_14_3_RU3.exe	09/01/2026	9/1/2026	5.82 MB			BA7787970BEA251BDB6D4B0C8942E3D7
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU3
Symantec Endpoint Protection 14.3 RU4
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x86
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-035-SONAR_IU_SEP_14_3_RU5_x86.exe	09/01/2026	9/1/2026	5.22 MB			66C9FFAA083A047EAEDCBF14B11CFBD1
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU5
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-036-SONAR_IU_SEP_14_3_RU5_x64.exe	09/01/2026	9/1/2026	6.0 MB			3F62E058F0EFF28088BF5DA8A0116A4B
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU5
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-042-SONAR_IU_SEP_14_3_RU6_x64.exe	09/01/2026	9/1/2026	6.05 MB			199D59378CAABD79CED7C77DD99094F7
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU6
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-063-SONAR_IU_SEP_14_3_RU7_x64.exe	09/01/2026	9/1/2026	6.05 MB			482FF35269333674BD7D5A328CE2E417
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU7
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-057-SONAR_IU_SEP_14_3_RU8_x64.exe	09/01/2026	9/1/2026	6.05 MB			15E141E509D9771CB28B6D568FFABE05
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU8
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-061-SONAR_IU_SEP_14_3_RU9_x64.exe	09/01/2026	9/1/2026	6.22 MB			910D11B8E41FE939386C378EDEAB198E
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU9
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-051-SONAR_IU_SEP_14_3_RU10_x64.exe	09/01/2026	9/1/2026	6.22 MB			25A2A9767D823B76D150DE7FF587EDA4
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU10
====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms ARM 64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-043-SONAR_IU_SEP_14_3_RU10_ARM64.exe	09/01/2026	9/1/2026	6.09 MB			E722441C2DE60A5DE35E96B629CB258F
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU10 ARM 64
====================================================

Symantec Endpoint Protection 14.4 Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-049-SONAR_IU_SEP_14_4_x64.exe	09/01/2026	9/1/2026	6.22 MB			47CEF13E34BD4F1EF914C3DE34FFEED3
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 x64
====================================================

Symantec Endpoint Protection 14.4 Client Installations on Windows Platforms ARM 64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260901-059-SONAR_IU_SEP_14_4_ARM64.exe	09/01/2026	9/1/2026	6.09 MB			5A1FF6D0D6FEB49641A13F697AA36989
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 ARM 64