If your Windows OS isn’t up to date, it could be causing Task Scheduler not to work correctly. This troubleshooting tip is a two-parter. Update Your System (or Rollback an Update) The good news is all of the above problems are fixable. You may also have issues with resources or viruses.

Often, the issues are caused by corrupted files or tasks.

System freezes: your system freezes or crashes while Task Scheduler is running.

Task Scheduler stops randomly: tasks are executing properly, but Task Scheduler stops before everything is done.

Tasks are corrupted: tasks that used to work no longer work.

Task Scheduler doesn’t run at startup: Task Scheduler works, but it doesn’t run at startup, so you have to start it manually instead.

Tasks don’t execute: Task Scheduler loads, but one or more tasks don’t run.

Task Scheduler is not available: you see an error message that Task Scheduler didn’t start or isn’t available at all.

Often, troubleshooting steps address multiple issues at once, so before diving into the steps to try, let’s look at some of the more common issues.

Free file sync task scheduler