This is the exact reason I left Cursor for Claude Code. Night and day difference in reliability. The Windows experience might be especially bad, but it would get constantly hung or otherwise fail when trying to run commands. I also had to babysit Cursor and tell it to continue for mid sized tasks.
They've improved performance dramatically in the last few weeks, might have fixed your issues.
Its clear they've been shipping a lot of windows updates.
It does seem significantly better on Windows. I'll give it another chance over the next couple weeks.