Keep getting Memory Pressure error. Please see attachment.
Based on the screenshot, the problem is that your system is running out of RAM (Random Access Memory). The “Available Memory” has dropped to extremely low levels (only 0.34GB left). Because there isn’t enough free memory for the system or the engine to operate smoothly, it triggers a “Critical” Memory Pressure warning. Your disk space looks perfectly fine, so this is strictly a RAM issue.
Close any unnecessary applications running in the background. Web browsers with multiple tabs open, background game clients, or other heavy software can consume a lot of RAM. Closing them will recover available memory. If you consistently get this error while using Unreal Engine and you have already closed background apps, your system might simply not have enough physical RAM for your current workflow. You may need to consider upgrading your RAM hardware (upgrading to 32GB or more).