1050Ti unable to mine on Kawpow?

I have several Win 10 PCs that have been mining with 1050TI's (4GB VRAM) for several months now, but all of them are failing on Epoch 289.

I'm not sure if this is a kawpow problem, or my problem, or something else.

The CLI is saying "Epoch 289 requires 3.31GB of memory. Only 3.29GB available. Mining suspended on device".

I have more than 10 computers, they are all giving the same error.