This document explains how to fix Microsoft Office Error code The Application Was Unable To Start Correctly (0xc0000142) Click Ok To Close The Application if it is not working correctly or throwing an unexpected error while opening office Application. This solution applies for Office Home, Office Personal, Office University, Office Academy, Office for business, Office Professional, Office Professional Plus, Office 365, Office 2013, and Office 2016.
This error applies to all Microsoft office Products (Word, Excel, PowerPoint, Outlook, OneNote, Access, Project, Publisher, Visio, Infopath) and the error generally occurs in Windows 10, Windows 8, Windows 8.1, Windows 7, Windows Vista, Windows XP and other Microsoft Windows Editions.
Symptoms of Error Code
- You will get error messages while launching/configuring MS Office. The error may look like “The Application Was Unable To Start Correctly (0xc0000142) Click Ok To Close The Application”.
- Slow Overall System Performance
- Ms Office Application Will stop working.
Cause of Error Code
- Corrupt Office installation files
- Slow ISP Connection
- System Level Conflict
Steps to resolve Error Code 0xc0000142Step 1 Disable Proxy
1. Press Windows Key + R. Run Dialogue Box will open up.
2. Enter CMD and Click OK.
3. In command Prompt Copy following commands (Simply select the command and press ctrl+c and press ctrl+v in command prompt)
netsh winhttp show proxy
Note: You will need Administrator Access to Run the above command. Simply Right Click on cmd button and select “Run as Administrator”
If you get the message “Direct Access (no proxy server)“, continue to the next step otherwise disable proxy from Network Settings.
You can contact our 24×7 customer support for any help during the whole process.
Step 2 Temporarily Disable any installed 3rd Party Antivirus:
Sometimes Antivirus/Malware/Adware programs mark Microsoft office installer files as Spam and block it from installing. Please refer your vendor’s website for disabling it temporarily. Once the installation is done you can activate it again.
In most cases Office error code The Application Was Unable To Start Correctly (0xc0000142) Click Ok To Close The Application should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.
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