每当系统挂起或冻结时，主要方法应该是在任务管理器^{(Task Manager)}中检查磁盘使用情况。如果系统上的高磁盘使用率是由与^{(high disk usage)}OfficeC2Rclient.exe文件关联的进程引起的，请查看本指南以获取解决方案。

什么是 OfficeC2Rclient.exe？

OfficeC2Rclient.exe是Microsoft Office Click To Run可执行文件的一部分。当系统更新Microsoft Office软件时触发。理想情况下，它是一个轻量级进程，不会导致系统出现任何问题，但是，用户报告说OfficeC2Rclient.exe进程会导致 CPU 使用率过高。

高 CPU 使用率^{(high CPU usage)}背后的原因可能是有问题的Microsoft Office软件。

OfficeC2Rclient.exe 是病毒吗？

原始的OfficeC2Rclient.exe文件不是病毒或恶意软件，但病毒和恶意软件程序员通常将恶意软件命名为与正版软件产品相同的名称。

OfficeC2Rclient.exe文件的原始位置是：

C:\Program Files\Common Files\Microsoft Shared\ClickToRun

要检查文件的位置，请在任务管理器^{(Task Manager)}中右键单击它并选择Open File Location。

如果与讨论中的进程相关联的文件的位置与上面提到的不同，我建议您在系统上运行恶意软件扫描。

Microsoft Office 即点即用^{(Microsoft Office Click-To-Run)}( OfficeC2Rclient.exe ) CPU^{(High CPU)}使用率高

通常，OfficeC2Rclient.exe进程不应导致CPU使用率过高，但如果确实如此，请考虑以下解决方案：

1]修复^(Repair)Microsoft Office客户端

解决OfficeC2Rclient.exe CPU占用率高的^{(OfficeC2Rclient.exe high CPU usage)}问题，可以考虑修复微软Office客户端如下：

Press Win+R打开“运行”^(Run)窗口。键入命令appwiz.cpl并按 Enter 以打开“程序和功能^{(Programs and Features)}”窗口。

右键单击Microsoft Office软件并选择更改^(Change)。

然后选择修复^(Repair)Microsoft Office 的选项。

完成后重新启动系统。

2]禁用^(Disable)Microsoft Office即点即用^{(Microsoft Office Click-To-Run Service)}服务

如果上述解决方案不起作用并且系统的处理和冻结仍然存在问题，您可以考虑禁用Microsoft Office Click-To-Run Service。但是，在采取措施之前，您需要了解它的重要性。

或者，您可以仅将其禁用一段时间，并在系统空闲时允许服务运行。禁用 Microsoft Office 即点即用服务的过程如下：

Press Win+R打开“运行”^(Run)窗口并键入命令services.msc。按 Enter 打开“服务管理器^{(Service Manager)}”窗口。

右键单击Microsoft Office Click-To-Run Service并选择Properties。

将启动类型^{( Startup Type)}更改为已禁用^(Disabled)，然后单击应用^(Apply)，然后单击确定^(OK)以保存设置。

这应该可以解决您的问题。

Microsoft Office Click-To-Run High CPU usage in Windows 11/10

Whenever a system hangs or freezes, thе primary approach should be to check the diѕk usage in the Task Manager. In case high disk usage on the system is caused by the process associated with the OfficeC2Rclient.exe file, check this guide for the resolution.

What is OfficeC2Rclient.exe?

OfficeC2Rclient.exe is a file that is a part of the Microsoft Office Click To Run executable. It is triggered when the system is updating the Microsoft Office software. Ideally, it is a light process and shouldn’t cause any problem in the system, however, users have reported that the OfficeC2Rclient.exe process causes high CPU usage.

The cause behind the high CPU usage could be problematic Microsoft Office software.

Is OfficeC2Rclient.exe a virus?

The original OfficeC2Rclient.exe file is not a virus or malware but viruses and malware programmers usually name malicious software the same as genuine software products.

The original location of the OfficeC2Rclient.exe file is:

C:\Program Files\Common Files\Microsoft Shared\ClickToRun

To check the location of the file, right-click on it in the Task Manager and select Open File Location.

If the location of the file associated with the process in the discussion is different from the one mentioned above, I would suggest you run a malware scan on the system.

Microsoft Office Click-To-Run (OfficeC2Rclient.exe) High CPU usage

Usually, the OfficeC2Rclient.exe process shouldn’t cause high CPU usage, but if it does, consider the following solutions:

1] Repair the Microsoft Office client

To resolve the OfficeC2Rclient.exe high CPU usage problem, you could consider repairing the Microsoft Office client as follows:

Press Win+R to open the Run window. Type the command appwiz.cpl and hit Enter to open the Programs and Features window.

Right-click on the Microsoft Office software and select Change.

Then select the option to Repair Microsoft Office.

Restart the system once done.

2] Disable the Microsoft Office Click-To-Run Service

If the above-mentioned solution doesn’t work and handing and freezing of the system remains a problem, you could consider disabling the Microsoft Office Click-To-Run Service. However, you need to understand its importance before taking the step.

Alternatively, you could disable it only for a while and allow the service to run when the system is idle. The procedure to disable the Microsoft Office Click-To-Run Service is as follows:

Press Win+R to open the Run window and type the command services.msc. Hit Enter to open the Service Manager window.

Right-click on the Microsoft Office Click-To-Run Service and select Properties.

Change the Startup Type to Disabled and click on Apply and then on OK to save the setting.

This should resolve your problem.

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