smartCARS 2.x clients on desktop may freeze or hang randomly with or without notice.
1. Make sure that FSUIPC or XPUIPC is as up-to-date as possible. You can find download links for FSUIPC and XPUIPC here:
FSUIPC: Download link
XPUIPC: Download link
2. Decrease of disable the frequency of FSUIPC autosave.
3. If neither of these solutions work for you, please open up a ticket with us.