The phrase "attempting to avert" is correct and usable in written English.
It can be used when describing efforts to prevent something undesirable from happening.
Example: "The organization is attempting to avert a potential crisis by implementing new safety measures."
Alternatives: "trying to prevent" or "seeking to avoid".
Attempting to avert the company's collapse, the U.S. government granted Chrysler $1.5 billion in loan guarantees.
The coup was carried out by hard-line Communist Party, KGB, and military officials attempting to avert a new liberalized union treaty and return to the old-line party values.
In the second innings, when he reached his own landmark, he was battling for his team, desperately attempting to avert first defeat and then, when that became inevitable, the humiliation of losing by an innings.
During the past decade, peace activism focused on the immediate problems to be resolved between Israel and the Palestinian Authority -- resolving yesterday's crisis and attempting to avert tomorrow's crisis.
Attempting to avert her gaze from her former home ("That bitch is living in my house"), Rachel fixates on a neighbouring dwelling whose glamorous inhabitants seem to be staging theatrical acts of love for her viewing pleasure.
The Associated Press have published a timeline of some of the gravest tragedies, most of which were caused by overcrowding, which the Saudi government had been attempting to avert by the major improvement works taking place at the Grand Mosque.
She attempted to avert the worse of two terrible outcomes: the loss of her daughters' lives along with her own.
Health Secretary Jeremy Hunt has attempted to avert strike action by inviting the Head of the Medical Students committee, Johann Malawana, to talks.
While the civil servant Katharine Gun attempted to avert the Iraq war by leaking information about US diplomatic blackmail, provoking international outrage.
The food giant attempted to avert public disquiet over growing obesity, and lawsuits from the porky, by announcing that it would cut the size of snacks and may reduce their fat and sugar content too.
