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I am using Windows 10 insider build, and browsers are not working.

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  • 2 have this problem
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  • Last reply by FredMcD

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My current operating system is windows 10 home insider preview build 14366.rs1_release.160610-1700. For some time, even while the last build was installed my browsers, Firefox and Seamonkey stop working well within a few minutes of beginning to read email. For example, when reading email [webmail] I click delete and the first one deletes, when ready to delete the second email clicking on the delete button does nothing. I wait in case my connection is slow, but it never works again, until after I've closed the browser and opened it again. It has happened a few times on other websites, but mostly when reading Yahoo webmail. I doubt if there is a fix, but thought I'd mention it in case someone else has had these problems.

My current operating system is windows 10 home insider preview build 14366.rs1_release.160610-1700. For some time, even while the last build was installed my browsers, Firefox and Seamonkey stop working well within a few minutes of beginning to read email. For example, when reading email [webmail] I click delete and the first one deletes, when ready to delete the second email clicking on the delete button does nothing. I wait in case my connection is slow, but it never works again, until after I've closed the browser and opened it again. It has happened a few times on other websites, but mostly when reading Yahoo webmail. I doubt if there is a fix, but thought I'd mention it in case someone else has had these problems.

Chosen solution

https://support.mozilla.org/en-US/kb/update-firefox-latest-version 47


Many site issues can be caused by corrupt cookies or cache.

  • Clear the Cache and
  • Remove Cookies
    Warning ! ! This will log you out of sites you're logged in to.

Type about:preferences<Enter> in the address bar.

  • Cookies; Select Privacy. Under History, select Firefox will Use Custom Settings. Press the button on the right side called Show Cookies. Use the search bar to look for the site. Note; There may be more than one entry. Remove All of them.
  • Cache; Select Advanced > Network. Across from Cached Web Content, Press Clear Now.

If there is still a problem, Start Firefox in Safe Mode {web link} A small dialog should appear. Click Start In Safe Mode (not Refresh). While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe websites. Are there any problems?

Then restart.

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Chosen Solution

https://support.mozilla.org/en-US/kb/update-firefox-latest-version 47


Many site issues can be caused by corrupt cookies or cache.

  • Clear the Cache and
  • Remove Cookies
    Warning ! ! This will log you out of sites you're logged in to.

Type about:preferences<Enter> in the address bar.

  • Cookies; Select Privacy. Under History, select Firefox will Use Custom Settings. Press the button on the right side called Show Cookies. Use the search bar to look for the site. Note; There may be more than one entry. Remove All of them.
  • Cache; Select Advanced > Network. Across from Cached Web Content, Press Clear Now.

If there is still a problem, Start Firefox in Safe Mode {web link} A small dialog should appear. Click Start In Safe Mode (not Refresh). While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe websites. Are there any problems?

Then restart.