Moderate. Fixing is recommended.
Cause of the problem can be malware or tweakers.
If the process termination timeout is out of the admissible values, then it can cause programs to be terminated incorrectly. It can cause data loss or cause programs to function incorrectly in the future. The optimum timeout, specified by the setting is "By default" - 20 seconds.
After the fix is performed, the process termination timeout will be 20 seconds.
You can roll back to the previous settings.