10.3.1 service packs and patches

[adamkorreckt]

What service packs and or patches do i need for version 10.3.1.

when i pan around the map sometimes it freezes up, and at the bottom left of the screen it says drawing (Ex.  .sid file  or a layer file ). 

[DanPatterson_Retired]

here they are Esri Support 10.4 (10.4.1)  select your version on the right

[JayantaPoddar]

Adding to Dan's suggestion as you specified ver. 10.3.1

Esri Support 10.3 (10.3.1) - Downloads

[curtvprice]

Also, consider https://community.esri.com/docs/DOC-2121?sr=search&searchId=22536463-23e5-4eac-8636-05b88e8964c2&sea...‌