ORD crashes too often

I'm using ORD 2019 Release 1. For last a few days, I'm noticing that it crashes too often; say whenever i'm opening Explorer, even when I'm putting some vertical alignment, or making a small change changing the dynamic text. This problem was not there previously. This issue is wasting a lot of man hours and hampering the work (thanks God that it saves work done before closing). The problem is not with the file or workspace, as with new file also I'm facing the same issue.

Can anyone kindly suggest the dos and donts to avoid crasing the software? And, is there any Audit tool to check and fix any error in the file?

Thanks in advance.

Snehasish Mondal