That kind of problem is usually caused by one of three things:
- A shell extension something else has installed is locking up when asked to get information about certain files or folders.
- Something in the configuration (usually toolbar buttons, or sometimes script add-ins) is causing something to be accessed which is very slow, or hanging.
- A device that Opus is trying to read a folder (or icons, etc.) from is very slow or hanging.
If you've waited at least 30 seconds and the program is still hung, you can rule out the last possibility, and most cases of the second (unless there are two such problems, which could cause a 30 second delay per device; most likely with network drives that cannot be reached, if the delay is that long; shorter delays can occur due to drives that have spun-down to sleep).
This guide covers the first possibility, as well as some related possibilities:
We can also sometimes tell you what is causing a freeze if you make a manually-generated process dump using Task Manager and zip & email the dump to us: