This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

updated to FF20.0 Windows 8 64bit up to date Now I have 4mb ea Caches in C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_1_

  • 2 fhreagra
  • 4 leis an bhfadhb seo
  • 1 view
  • Freagra is déanaí ó saunamaster

more options

updated to FF20.0 Windows 8 64bit up to date Now I have 4mb ea Caches in C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_1_

C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_2_

C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_3_

C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_MAP_9

I use CCleaner to remove them but when I start Firefox they reappear

Does anyone know what these are? and what they are for?

Thanks

updated to FF20.0 Windows 8 64bit up to date Now I have 4mb ea Caches in C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_1_ C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_2_ C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_3_ C:|users\lee\AppData\Local\mozilla\firefox\profiles\tfw6yc7z.default\CACHE_MAP_9 I use CCleaner to remove them but when I start Firefox they reappear Does anyone know what these are? and what they are for? Thanks

Réiteach roghnaithe

Thanks jscher2k

I am on FF auto update so previous version 19.?

I just wanted to make sure it was not malicious activity

Thanks for the response

Read this answer in context 👍 0

All Replies (2)

more options

That looks normal to me. What version did you have before? The layout of the Firefox cache folder changed some time ago so that more files could be accommodated (i.e., to keep performance acceptable because Windows slows down with huge numbers of files in a single directory).

Edit: Screen shot of file sizes for comparison:

Athraithe ag jscher2000 - Support Volunteer ar

more options

Réiteach Roghnaithe

Thanks jscher2k

I am on FF auto update so previous version 19.?

I just wanted to make sure it was not malicious activity

Thanks for the response