Question
Issue: How to fix Click-to-Run (12) Office installation error in Windows?
Hello. When I tried to install Office on my Windows computer I received an error “Click-to-Run (12)”. How do I fix this?
Solved Answer
Microsoft Office is a productivity software suite that is widely used for a variety of tasks in both personal and professional settings. It includes popular applications such as Word, Excel, PowerPoint, Outlook, and others. These applications offer a variety of features and tools for creating and editing documents, spreadsheets, and presentations, as well as managing emails and calendars, conducting data analysis, and collaborating with others.
The Click-to-Run (12) Office installation error in Windows is a specific problem that users may experience when attempting to install or update Microsoft Office via the Click-to-Run method.[1] Microsoft's Click-to-Run technology allows for faster installation and updating of Office applications.
When users experience the Click-to-Run (12) Office installation error, it can have a number of consequences for their workflow and productivity. For starters, it prevents them from installing or updating Microsoft Office, which means they may not have access to the most recent features, security updates, and bug fixes. This may cause issues with files received from others who are using newer versions of Office. Furthermore, it has the potential to disrupt work routines and cause delays in completing tasks that rely on Office applications.
Troubleshooting and implementing potential solutions are required to resolve the Click-to-Run (12) Office installation error. Users can try repairing the Office installation, ensuring adequate disk space, checking for conflicting software, temporarily disabling antivirus, or performing a clean Office uninstallation and reinstallation. Seeking help from Microsoft or consulting official documentation may also provide more specific troubleshooting steps for this error.
In this guide, you will find 5 steps that should help you fix Click-to-Run (12) Office installation error. You can also try using a system repair tool like FortectMac Washing Machine X9 that can fix most system errors, BSODs,[2] corrupted files, registry[3] issues, and more. Otherwise, follow the step-by-step instructions below.
Method 1. Exclude the COM+ app in Windows Defender
- Press Windows + I to open Settings.
- Navigate to Privacy & Security > Windows Security > Virus and threat protection.
- Click on Manage settings below Virus & threat protection.
- On the next page, click Add or remove exclusions under Exclusions.
- Click on Add an exclusion.
- Add %windir%\system32\dllhost.exe to the list of allowed programs.
- Restart your device once done.
- Try installing Office again.
Method 2. Verify the REGDBVersion and clb File
- Click Start.
- Type regedit and hit Enter.
- Once the Registry Editor opens, navigate to the following path:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\COM3
- Right-click on the REGDBVersion value and note it.
- Press the Windows key + R to open Run.
- Type %windir%\Registration and hit Enter.
- In the opened folder, locate the clb file.
- Check the version of the clb file.
- Compare the version of the REGDBVersion value with the clb file version.
- Ensure that both versions are the same.
Method 3. Check COM+ Enabled Setting
- Click Start.
- Type regedit and hit Enter.
- Once the Registry Editor opens, navigate to the following path:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\COM3
- Search for the COM+ Enabled entry.
- Right-click on the COM+ Enabled entry and check its value.
- If the value is 0, change it to 1 to enable COM+.
- Click on Ok to save the changes.
Method 4. Clear Temporary Windows Files
- Go to My Computer.
- Right-click on Drive C.
- Click on the Properties menu.
- The Local Disk C Properties box will appear.
- Click on Disk Cleanup.
- A box will appear asking for the files you want to delete.
- Select the files you want to delete from your system.
- Click OK.
- The Disk Cleanup system will ask for confirmation.
- Click on Delete Files to proceed.
Method 5. Try Clean Boot
- Open the Search menu, type in system configuration, and press Enter.
- Under the Services tab, tick the Hide all Microsoft services box.
- Click on Disable all button.
- Head over to the Startup tab and click on Open Task Manager.
- Select a third-party program and click on Disable at the top.
- Repeat this step to disable all third-party apps and programs.
- Restart your PC to enter the clean boot state.
- Try to install Office again.
- If the issue disappeared in the clean boot state, then you can be certain that a third-party app is causing it.
- Go through all recently installed apps or programs and remove them one by one.
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Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.
- ^ Information about Office Click-to-Run installations and about related anti-malware applications. Microsoft. Documentation.
- ^ Chris Hoffman. Everything You Need To Know About the Blue Screen of Death. Howtogeek. Tech Insight Magazine.
- ^ Tim Fisher. What Is the Windows Registry?. Lifewire. Software and Apps.
