How to check a website have affected links?

[ashrafnrl]

Google Ad words showing errors when submit a Ads, Its showing malicious or unwanted software.

How to check it and how can fix it?

[TechnoBear]

Welcome to the forums, @ashrafnrl.

If you don’t know where the problem comes from, then it sounds as if your site has been hacked.

This article should help:

What to do when your site gets hacked | Perishable Press

There is also an old post here which is still relevant:

Resources on web application security

I had responded to a member’s request for steps to combat and recover from a “Hack Attack” and it seemed better to add it to this sticky thread: Immediatly delete all FTP access except one (master for the account). Change the master password (cPanel and FTP) to a VERY STRONG one using an http://strongpasswordgenerator.com password of sufficient length. Use maldet scans (on an Apache server) which find and report all forms of malware (viruses, worms and SCRIPTS which can cause problems).…

[AlbertDavid]

This could be because of many reasons. You should check the Google docs or check this site out :
https://documentation.unbounce.com/hc/en-us/articles/360001219286-Rejected-by-Google-Ads-Malicious-or-Unwanted-Software
They have links here to the doc. You need to check which one is relevant for you.

[assist1]

Go to virustotal’s website. Enter your site’s domain name and check if It’s infected or not. You will get a detailed analysi if your website is really having any infected links.