Is it okay to delete GPU cache?

Is it okay to delete GPU cache? You can safely delete this folder, but it will reappear when Quicken receives a server side prompt to display a given message to the user. GPUCache is not specific to Quicken. If you Google it, you’ll find that other applications create it also.

Why do GPU have cache?

This is quite common, as shaders/kernels often access constant data or other low-frequency data (e.g. workgroup-specific data in compute shaders). In order to increase the performance of such accesses, many GPUs have dedicated uniform data caches (sometimes called scalar or constant cache).