How to fix runtime error 221?

A common error – runtime error 221 will usually appear on your PC with an error message telling that: “something is underfined”. Most of the time, soon after the appearance of this runtime error 221 error message, some of running of the various processes. Though the error seems a little complicated, you are able to fix it on your system within several simple instructions.

When getting the runtime error 221, you can easily perform the following solutions to go:

Restart your computer and wait until the login screen to appear.
Select the administrator account from the list of available accounts. Note that if there is only one account, it is the administrator account.
Type the password if prompted and click “OK” to access your computer.
Right-click on the program that is generating the runtime error 221. Normally, a context menu appears.
Select “Run as Administrator” from the context menu. The program should now run without any errors. If you continue to receive a runtime error 221 message, consider running your anti-virus program to thoroughly scan your computer as sometimes, runtime errors are caused by computer viruses.
Sometimes, the confliction with other running program can also cause the appearance of the runtime error. In many cases, the runtime error 221 will happen when the programs on your computer do not work compatibly with others. In you get the error message soon after install a new program, directly uninstall it and the problem will be solved immediately. If not, you can turn to next solution.

Thirdly, you have to check on the add-ons/plugin installed in your browser. Sometimes the runtime error 221 might appear because of the conflict between an unresponsive plugin and the browser. At this time, you should disable any extension that you suspect it may be behind this runtime error issue.

If your issue persists after the above step, it might be caused by some spyware programs as they are able to attack and remove any files from the computer. You should download and run an antispyware program immediately to get rid of all these malicious threats. Besides, it is best that you can let such PC protection program running in the background all the time to realtime block and remove all threats.

Lastly, you still have to pay several minutes to check and fix Windows registry at regular basic. Registry database is regarded as one of the most essential part of the Windows-based system to store all the important settings and options which used to ensure the proper working of the computer. Hence, the damaged ones here are able to bring in kinds of computer errors. Besides, the corrupted or missing registry entries will greatly mess up the whole database, slowing down data access speed and computer running speed, leading to the appearance of runtime error 221. So, to prevent or fix runtime error 221, you should first make sure a clean and compact Windows registry database.

Believe me, a professional registry repair software not only can fix runtime error 221, its comprehensive scan on your windows registry storage and real-time monitoring will help you check and prevent all kinds of potential PC errors within clicks. So click here to have a try.