Icons for run script and other tasks are missing. We see just a box with a red X.
We viewed the source for the page, by right-clicking (at the top of the column) and select view source.
We then searched fo rthe name of a task with a missing icon:
You see the location given for the gif at the bottom of the screenshot. We copied that and tried viewing that file in the browser:
We received a 404 error (File not Found).
Comparing this environment to a new build, we found a missing virtual link within IIS:
We recreated the virtual link within IIS with the settings shown here.