必须用安装程式，等它检查完更新后，先选中Unregister，然后再选Register，这个时候它又能随着word启动一次，实在费解，为啥随着excel跟powerpoint的启动都是OK的。。。。。

@David, 请确定安装了 net3.5

@scavin,
我尝试重新安装，但再次双击原来下载的setup程序，显示错误。
以下是错误信息：
The following properties have been set:
Property: [AdminUser] = true {boolean}
Property: [ProcessorArchitecture] = Intel {string}
Property: [VersionNT] = 5.1.3 {version}
Running checks for package ‘Windows Installer 3.1’, phase BuildList
The following properties have been set for package ‘Windows Installer 3.1’:
Running checks for command ‘WindowsInstaller3_1\WindowsInstaller-KB893803-v2-x86.exe’
Result of running operator ‘VersionGreaterThanOrEqualTo’ on property ‘VersionMsi’ and value ‘3.1’: true
Result of checks for command ‘WindowsInstaller3_1\WindowsInstaller-KB893803-v2-x86.exe’ is ‘Bypass’
‘Windows Installer 3.1’ RunCheck result: No Install Needed
Running checks for package ‘.NET Framework 3.5’, phase BuildList
Reading value ‘Install’ of registry key ‘HKLM\Software\Microsoft\NET Framework Setup\NDP\v3.5\1033’
Read integer value 1
Setting value ‘1 {int}’ for property ‘DotNet35InstallSuccess’
The following properties have been set for package ‘.NET Framework 3.5’:
Property: [DotNet35InstallSuccess] = 1 {int}
Running checks for command ‘DotNetFX35\dotNetFx35setup.exe’
Result of running operator ‘ValueEqualTo’ on property ‘DotNet35InstallSuccess’ and value ‘1’: true
Result of checks for command ‘DotNetFX35\dotNetFx35setup.exe’ is ‘Bypass’
‘.NET Framework 3.5’ RunCheck result: No Install Needed
Launching Application.
URLDownloadToCacheFile failed with HRESULT ‘-2146697211’
Error: An error occurred trying to download ‘https://s3.amazonaws.com/Offisync/offisync.application’.

请高手指教@@@