Inorder to disable or turn off the doublespacing feature run the following command in the Run
%windir%\system32\inetsrv\appcmd set config “Default Web Site” -section:system.webServer/security/requestfiltering -allowDoubleEscaping:true
Inorder to disable or turn off the doublespacing feature run the following command in the Run
%windir%\system32\inetsrv\appcmd set config “Default Web Site” -section:system.webServer/security/requestfiltering -allowDoubleEscaping:true