title: Umbraco cache problems
body: <p>I am having a problem with the umbraco cms. We are using umbraco 4.6.2 with .net usercontrols. Everything was running fine up until a couple of weeks ago when the client started complaining about updated content not displaying on the front end. </p>
  
  <p>After some investigation I was able to determine that just before this started happening that one of the users experience an error stating that a file in App_Data/ExamineIndexes could not be updated as was in use by another process/locked.</p>
  
  <p>A college suggested that I stop site and delete all files from App_Data/ExamineIndexes folder. I did this and the site ran fine again for a couple of days then same thing happened and I did fix again. This was a daily occurrence for a week and then one day the fix did not work and I was forced to start pulling data directly from umbraco database rather than using the standard umbraco built in methods. This fixed my content caching on existing pages but now when I create new pages the umbraco.config file is not being updated and as a result no new pages are being created.</p>
  
  <p>I've already tried republishing entire site and that does not work. Permissions to the App_Data/umbraco.config are correct.</p>
  
  <p>Has anybody experienced something similar? 
  I would also love to know if somebody could give me a reason why file locked in the first place.</p>
  
  <p>TLDR;
  Umbraco caching broke and have been unable to get it running again any help will be deeply appreciated.</p>