Here is how it can be resolved:
1) Stop the Windows SharePoint Timer Service
2) Navigate to C:\Documents and Settings\All Users\Application Data\Microsoft\SharePoint\Config
3) Go into the single folder in there that has a GUID type name.
4) You see a whole bunch of XML files and a file cache.ini
5) Copy all the XML files to another folder somewhere (for backup), then delete them but do not delete cache.ini
6) Edit cache.ini to contain just the number "1" in the file - erase whatever is there and replace with "1"
7) Restart the Windows SharePoint Timer Service
8) You should see XML files being regenerated in the folder
Please repeat these steps on all the front-end servers and index/query servers.
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