I get the following errors?

Code:
Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)
Timestamp: Mon, 19 Sep 2011 08:39:35 UTC


Message: Expected ';'
Line: 168
Char: 147
Code: 0
URI: http://bemail.beaminster.dorset.sch.uk/owa/forms/premium/clientstrings.aspx?v=8.1.436.0&l=en-GB


Message: Expected ';'
Line: 839
Char: 65
Code: 0
URI: http://bemail.beaminster.dorset.sch.uk/owa/8.1.436.0/scripts/premium/uglobal.js


Message: 'T_MSG' is undefined
Line: 62
Char: 78
Code: 0
URI: http://bemail.beaminster.dorset.sch.uk/owa/8.1.436.0/scripts/premium/ctree.js


Message: Expected ';'
Line: 168
Char: 147
Code: 0
URI: http://bemail.beaminster.dorset.sch.uk/owa/forms/premium/clientstrings.aspx?v=8.1.436.0&l=en-GB


Message: Expected ';'
Line: 839
Char: 65
Code: 0
URI: http://bemail.beaminster.dorset.sch.uk/owa/8.1.436.0/scripts/premium/uglobal.js


Message: 'T_MSG' is undefined
Line: 62
Char: 78
Code: 0
URI: http://bemail.beaminster.dorset.sch.uk/owa/8.1.436.0/scripts/premium/ctree.js
it seems, so far, that only a few machines are affected but it must some kind of update doing this.