启动 VS 15.3.1 时,我在活动日志中看到此错误。它似乎与 PVS 工作室有关,因为当我禁用扩展时它就消失了。
我只使用 C#,所以我没有安装任何 c++ 模块。单击确定消息后,我没有遇到任何其他异常。
<entry>
<record>243</record>
<time>2017/08/22 05:07:13.222</time>
<type>Error</type>
<source>VisualStudio</source>
<description>LegacySitePackage failed for package [Visual C++ Project System Package]Source: 'Microsoft.VisualStudio.Project.VisualC.VCProjectEngine' Description: No platforms have been found on this installation.
System.Runtime.InteropServices.COMException (0x8005050A): No platforms have been found on this installation.
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectEngineShim.<ReadInstalledPlatformsAsync>d__260.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectEngineShim.<>c__DisplayClass55_0.<<Initialize>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.<>c__DisplayClass7_0.<<Invoke>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
 at Microsoft.VisualStudio.Threading.JoinableTask.CompleteOnCurrentThread()
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.Invoke(Func`1 method)
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectEngineShim.Initialize(IntPtr instResources, Object sp, Object browser, IVCBuildPackageInternal bldPkg)</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
<hr>8005050a</hr>
<errorinfo></errorinfo>
</entry>
<entry>
<record>245</record>
<time>2017/08/22 05:07:15.009</time>
<type>Error</type>
<source>VisualStudio</source>
<description>SetSite failed for package [Visual C++ Project System Package](null)</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
<hr>8005050a</hr>
<errorinfo></errorinfo>
</entry>
<entry>
<record>246</record>
<time>2017/08/22 05:07:15.010</time>
<type>Error</type>
<source>VisualStudio</source>
<description>End package load [Visual C++ Project System Package]</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
<hr>8005050a</hr>
<errorinfo></errorinfo>
</entry>
我尝试禁用所有其他第三方扩展并重新启动 VS,并在启动时打开以下窗口:
- C# 交互式
- 错误列表
- 任务列表
- 命令窗口
- 输出
- 测试资源管理器
- 解决方案资源管理器
- 团队资源管理器
- 首页
然后启用 PVS 并重新启动 VS:我收到错误消息
“Visual C++ 项目系统包”未正确加载。
<entry>
<record>1784</record>
<time>2017/08/24 19:55:34.094</time>
<type>Information</type>
<source>VisualStudio</source>
<description>Begin package load [Visual C++ Project System Package]</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
</entry>
<entry>
<record>1785</record>
<time>2017/08/24 19:55:34.097</time>
<type>Error</type>
<source>VisualStudio</source>
<description>LegacySitePackage failed for package [Visual C++ Project System Package]Source: 'Microsoft.VisualStudio.Project.VisualC.VCProjectEngine' Description: No platforms have been found on this installation.
System.Runtime.InteropServices.COMException (0x8005050A): No platforms have been found on this installation.
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectEngineShim.<ReadInstalledPlatformsAsync>d__260.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectEngineShim.<>c__DisplayClass55_0.<<Initialize>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.<>c__DisplayClass7_0.<<Invoke>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
 at Microsoft.VisualStudio.Threading.JoinableTask.CompleteOnCurrentThread()
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.Invoke(Func`1 method)
 at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectEngineShim.Initialize(IntPtr instResources, Object sp, Object browser, IVCBuildPackageInternal bldPkg)</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
<hr>8005050a</hr>
<errorinfo></errorinfo>
</entry>
<entry>
<record>1786</record>
<time>2017/08/24 19:55:34.100</time>
<type>Error</type>
<source>VisualStudio</source>
<description>SetSite failed for package [Visual C++ Project System Package](null)</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
<hr>8005050a</hr>
<errorinfo></errorinfo>
</entry>
<entry>
<record>1787</record>
<time>2017/08/24 19:55:34.102</time>
<type>Error</type>
<source>VisualStudio</source>
<description>End package load [Visual C++ Project System Package]</description>
<guid>{F1C25864-3097-11D2-A5C5-00C04F7968B4}</guid>
<hr>8005050a</hr>
<errorinfo></errorinfo>
</entry>
然后我删除了组件缓存文件夹:我仍然收到错误。
使用ClearMEFComponentCache清理。重新启动PVS,现在我无法重现。
其他信息:我已经升级到 VS 15.3.2
- 在运行 ClearMEFComponentCache 之前,我有几个文件夹
%appdata%\Microsoft\VisualStudio
,即14.0
,15.0
以及15.0_aaea4580
文件ComponentCache
夹所在的文件夹。现在我只有15.0_aaea4580
文件夹。 - VS 在管理员模式下打开。