Also, try changing the quality of your preview footage from Full to Half or Third. Close EverythingĪ simple yet sometimes-overlooked solution to this problem lies with how many applications and programs you have running while working in After Effects. He also recommends hitting Clean Database and Cache while you’re still in the Preference window. To clear this blue bar, go to Preferences > Media and Disk Cache > Empty Disk Cache. This is how After Effects writes content to RAM quicker. Most likely, you’ll see a thin blue bar atop your clips. This green bar represents the RAM cache, so by Purging in the previous step, you should no longer see this green bar. Empty Disk CacheĪbove your clips in the timeline, you should see a thin green bar spanning the width (hopefully) of your selected clip. So, this is just one possible solution that doesn’t always work, so let’s try out a few other methods to get past this hiccup. Essentially, this is just emptying your RAM cache, and as he so lovingly puts it, cache is just where After Effects stores its results of your current render. Go to Edit > Purge > All Memory and Disk Cache.

Clear cache after effects