Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

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

latest version of Flash Player won't install on Wind. 7 w/ firefox

more options

have downloaded new version of adobe flash player but it will not install. I get a box that says "only a single instance of this application can run" What does this mean/what do I do about it? (I've removed the old flash player)

I am using a HP desktop w/ Windows 7 64-bit.

have downloaded new version of adobe flash player but it will not install. I get a box that says "only a single instance of this application can run" What does this mean/what do I do about it? (I've removed the old flash player) I am using a HP desktop w/ Windows 7 64-bit.

All Replies (1)

more options

You seem to have Shockwave Flash 11.1 r102 installed, according to the plugins scan done on the browser that used to post in this forum.