William's Mobile

Restoring Flash on Windows

If you use Internet Explorer on Windows 7 or older, you can create a whitelist of Flash sites. You must have installed Flash before 2021.

1. Set IE as your default browser.

2. Create a file named mms.cfg in Notepad then save it to the desktop. Select UTF-8 encoding.

3. Enter the following:




4. Enter AllowListUrlPattern= on a new line followed by a URL. For example, AllowListUrlPattern=http://www.williamsmobile.co.uk/

5. Repeat this on a new line for each URL that you want to whitelist.

6. Save then copy and paste the file into C:\Windows\SysWOW64\Macromed\Flash\

7. Click 'Copy and Replace' then 'Continue'.

8. Close and re-open IE then visit a Flash site in the whitelist. Don't upgrade to Windows 10/11!

Using Flash on Android

1. Download the FlashFox browser here or on Google Play.

2. Open it then visit any Flash site.

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