Premiere Elements 2021 jitters after rendering

After rendering a clip, the playback jitters on Premiere Elements 2021, whereas I have no problems using Premiere Elements 2013 with the same clips.  I have a Dell Inspiron 5555 A12 with a 2.20 gigahertz AMD A8-7410 APU with Radeon R5 Graphics. 256 kilobyte primary memory cache and 2048 kilobyte secondary memory cache. 64-bit ready. Multi-core (4 total) Not hyper-threaded. I have 1819.56 Gigabytes Hard Drive free space.