Uninstall/Install Problem

[ijustneedhelp]

I am trying to fix my mumble since it stopped working, i couldnt hear others or i couldnt talk, neither could i connect properly, i tried the stantard restart computer and software, but when i was gonna try to reinstall mumble (uninstall then install) this popped up,

If should not work, here is a imgur link: http://imgur.com/joMN8

what should i do....

Mumble Version: Mumble 1.2.3

System INFO:

Tech Support Guy System Info Utility version 1.0.0.2

OS Version: Microsoft Windows 7 Enterprise, Service Pack 1, 64 bit

Processor: Intel® Core i5 CPU 760 @ 2.80GHz, Intel64 Family 6 Model 30 Stepping 5

Processor Count: 4

RAM: 8158 Mb

Graphics Card: AMD Radeon HD 6900 Series, -2048 Mb

Hard Drives: C: Total - 476837 MB, Free - 116656 MB; D: Total - 476936 MB, Free - 427464 MB;

Motherboard: ASUSTeK Computer INC., P7H55-M PRO

Antivirus: Symantec Endpoint Protection, Disabled

[kissaki]

Use the packaged installer of the same version if you still have it.

Otherwise, just use a more recent installer and run that one.