我一直在家里的个人笔记本电脑上为办公室陈列室开发一个地铁应用程序，该应用程序将有幻灯片和请求回电/留下联系方式的选项；大部分都完成了，我的问题是当我将项目上传到 Dropbox 以便我可以将其加载到办公室计算机上时，它拒绝启动。它不会引发异常，而是显示以下消息框： 这是基于 BasicPage 模板构建的 C# Windows 8 Metro 应用程序。
[TITLE]Lexar2.exe - This application could not be started[/TITLE]
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This application could not be started.
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[TITLE]Microsoft Visual Studio Express 2012 for Windows 8[/TITLE]
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Unable to activate Windows Store app '...!App'. The Lexar2.exe process started, but the activation request failed with error 'The app didn't start'.
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程序输出：
'Lexar2.exe' (Win32): Loaded 'C:\Users\Owner\Dropbox\Programming\w8\Lexar2\Lexar2\bin\Debug\AppX\Lexar2.exe'.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ntdll.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\mscoree.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\KernelBase.dll'. Cannot find or open the PDB file.
The thread 0x5c has exited with code 0 (0x0).
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\advapi32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcrt.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sechost.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\rpcrt4.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sspicli.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cryptbase.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\bcryptprimitives.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscoreei.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\shlwapi.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\user32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\gdi32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\imm32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msctf.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscoreeis.dll'. Module was built without symbols.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\comctl32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Unloaded 'C:\Windows\SysWOW64\comctl32.dll'
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\uxtheme.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Program Files (x86)\Common Files\Microsoft Shared\Ink\tiptsf.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\combase.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\oleaut32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\dwmapi.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ole32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\oleacc.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\shell32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\SHCore.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\propsys.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\apphelp.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ieframe.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\iertutil.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\comctl32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\comctl32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\comctl32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\comctl32.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Unloaded 'C:\Windows\SysWOW64\comctl32.dll'
'Lexar2.exe' (Win32): Unloaded 'C:\Windows\SysWOW64\comctl32.dll'
'Lexar2.exe' (Win32): Unloaded 'C:\Windows\SysWOW64\comctl32.dll'
'Lexar2.exe' (Win32): Unloaded 'C:\Windows\SysWOW64\comctl32.dll'
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\urlmon.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\wininet.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\twinapi.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cryptsp.dll'. Cannot find or open the PDB file.
'Lexar2.exe' (Win32): Loaded 'C:\Windows\SysWOW64\rsaenh.dll'. Cannot find or open the PDB file.
The thread 0x189c has exited with code -2146232576 (0x80131700).
The thread 0x19f8 has exited with code -2146232576 (0x80131700).
The thread 0x1370 has exited with code -2146232576 (0x80131700).
The thread 0x10ec has exited with code -2146232576 (0x80131700).
The program '[6224] Lexar2.exe' has exited with code -2146232576 (0x80131700).
除了系统规格之外，我想不出其他需要添加的内容，所以请告诉我是否遗漏了一些内容：
Windows 8 x64
6GB Ram
Intel(R) Pentium(R) CPU G2020 2.9Ghz
编辑：我能够创建一个新项目并毫无问题地启动它，而我现在正在使用的应用程序最初是在这台计算机上创建并上传到 Dropbox，我将它下载到我的个人笔记本电脑上并在一夜之间工作重新上传了。