"Ransomware is one of the largest threats to the upcoming election," said Microsoft Corporate Vice President Tom Burt.

The Xbox maker also said they were working to evaluate other solutions while they investigate the root cause of the outage.

Gates died peacefully Monday at his beach home in Washington state from Alzheimer’s disease, the family announced Tuesday.

The Trump administration has threatened to ban TikTok by mid-September and ordered ByteDance to sell its U.S. business, claiming national-security risks due to its Chinese ownership.

Most of the infiltration attempts by Russian, Chinese and Iranian agents were halted by Microsoft security software and the targets notified, they said. The company would not comment on who may have been successfully hacked or the impact.

Walmart said in a statement that a deal with Microsoft and TikTok could help it expand its advertising business and reach more shoppers.

In a letter to employees, Mayer said that his decision to leave comes after the "political environment has sharply changed.''

The turnaround came after Trump Friday he said he was planning to ban the Chinese-owned video app's U.S. operations as soon as Saturday after dismissing a possible sale to Microsoft.

Under a proposed deal, Microsoft said it would take over TikTok's operations in the United States, Canada, Australia and New Zealand.

There have been reports of U.S. tech giants and financial firms being interested in buying or investing in TikTok as the Trump administration sets its sights on the app.