![Internet Explorer Error – Proxy server is not responding (Windows 7 & 8) | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android) Internet Explorer Error – Proxy server is not responding (Windows 7 & 8) | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)](https://www.pntbrother.com/wp-content/uploads/2014/11/PROXYERROR.jpg)
Internet Explorer Error – Proxy server is not responding (Windows 7 & 8) | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)
![Very slow launching of Controller client (or client does not start correctly at all) caused by client device's Internet Explorer trying to autodetect proxy server Very slow launching of Controller client (or client does not start correctly at all) caused by client device's Internet Explorer trying to autodetect proxy server](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/6213405c1ed817418525754000516161/Env/0.E8.gif)
Very slow launching of Controller client (or client does not start correctly at all) caused by client device's Internet Explorer trying to autodetect proxy server
![How to use the Windows Group Policy Editor to allow Internet Explorer to recognize proxy settings by Rational Performance Tester How to use the Windows Group Policy Editor to allow Internet Explorer to recognize proxy settings by Rational Performance Tester](https://www.ibm.com/support/pages/system/files/inline-images/IEGroup1.jpg)