Here you can try setting the graphics settings to normal.

The high graphics settings in GTA V can help improve the performance, while it may trigger some issues like GTA V keeps crashing. Now, you can re-launch the game and see if the GTA V crashing PC issue is resolved or not. Some users reported that 5GB virtual memory is enough to run this game smoothly and here you can refer to it. Now, select the partition that you store the game and click on the Custom size to set its size to larger. Go to the Advanced tab and click on the Change button in the Virtual memory box. Go to the Advanced tab and click on the Settings button under the Performance section. Click on the Advanced system settings on the left side of the window. Press Win + E keys to open the File Explorer, and then right-click This PC entry and select Properties. If you are unclear about the steps, here’s a full guide. According to the reports, some users fixed the issue by setting the page file size to larger. The GTA V crashing problem may occur if you set the paging file size is too very small. How to fix the GTA V crashing problem? According to the investigation, we explore the following 4 effective troubleshooting methods.