Previews error

I am getting the following error

```
ERROR: oae-cleaner/3186 on UKDesktop3: Could not get the metadata for a file. (path=/tmp/oae/previews/c-other-g1cDWlntg)
    Error: ENOENT, stat '/tmp/oae/previews/c-other-g1cDWlntg'
```

Although it doesn't seem to break anything.