It is great that we can upgrade system to Windows 10 for free, If you are seeing ask toolbar toolbar error 1720, then you machine may be infected with an adware or potentially unwanted program, don't know why this happened overnight.


Some problems that you may face in your computer:

This error may cause thatsystem crash and run slowly, program not run, game not be opened.

About the symptoms

The error code displays on the computer screen is:

"An unknown error has occurred. Toolbar deletion"
Cause of toolbar deletion:

The error may occur due to many reasons like:

    Windows failed to update to windows 10. PC drivers is corrupted or damaged. Install a software in a wrong way. Pop up object error or script errors. Hard disk has not sufficient space.
Manual Resolution

Open the Command Prompt with access as administrator as mentioned previously. Enter the following command: sfc /scannow. Then the command will complete its task. This will take a good bit of time, so leave the computer to do its job. The sfc must complete the scan. When the scan has finished, restart the computer. Now you can check for activation. The error should be fixed.

Highly Recommended Solution: toolbar deletion

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LionSea Software Co, Ltd is a modern enterprise integrating science and technology, industry and trade. The company has a high-quality technical team, outstanding staff, including first-class business, management, software development, administration, technology talents. We stick to the principles: " User First, Product Excellent, Brave in Innovation and Never Stop Improving". Facing huge potential in market and heated competition at home and abroad, we do our best to teamwork efficiently and make high-quality software with unbreakable faith. We try to increase the management level and product quality steadily and to make sure that the user to provide the best quality.


"Computer or system problems are very easy to fix for SmartPCFixer, one-click can be resolved, before the system is always pop-up error pop-up window, and then the computer crashes, with SmartPCFixer scan many problems, and then repair them and the pop-up window no longer appears."

---- Allen.S

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