My MacBook Air running slow after macOS Tahoe update

1 - Google Chrome

2 - AdGuard

Both are likely candidates for removal as per the Developers Instructions

Short and unpopular suggestion for some

 https://chromeisbad.com

May consider an alternative www.brrave.com which is essentially Google Chrome without the Google baggage 

Refer to the Posting by Respected Contributor @ John Galt 

Application memory error on my MacBook Pro - Apple Community

Refer to the Posting by Respected Contributor @ Kurt Lang

etrecheck... Mac running slow - Apple Community

Third Party Security Software 

Ad Guard,

[Running] AdGuard Network Extension - version 2.17.3 (Adguard Software Limited - installed 2025-08-08)

Application: /Applications/Adguard.app - version 2.17.3 (Adguard Software Limited - installed 2025-08-08)

Description: AdGuard Network Extension

Kernel Extensions:

/Applications/Adguard.app

[Not Loaded] com.adguard.nfext.kext - com.adguard.nfext (1.0.31 - SDK 12)

[Running] com.adguard.mac.adguard.helper.plist (Adguard Software Limited - installed 2025-08-08)

Executable: /Library/Application Support/AdGuard Software/com.adguard.mac.adguard/kext/com.adguard.mac.adguard.helper

[Loaded] AdGuardLoginHelper (Adguard Software Limited - installed 2025-08-08)

Modern Login Item

/Applications/Adguard.app/Contents/Library/LoginItems/AdGuardLoginHelper.app

More info is needed.

Install EtreCheck and post the report. Allow Full Disk Access.

https://etrecheck.com/

Use the Additional Text icon to paste in the report.

How to use the Add Text Feature When Post… - Apple Community

hello, I have the same issue and its embarrassing when I am presenting slides on TEAM meetings. It is so slow, have you resolved the issue?