Chrome更新至最新版后无法启动或标签崩溃，Selenium报错求助

Alright, let's work through these frustrating Chrome/Selenium problems you're dealing with—version mismatches and leftover system cruft are usually the culprits here. Here's a step-by-step breakdown of fixes to try:

1. Fully Purge Chrome Residual Files #

The most common reason downgrades or updates fail is leftover cache, configs, or partially deleted files. Do a clean wipe:

• Uninstall Chrome via Windows Settings > Apps > Apps & Features
• Manually delete these folders (replace [YourUsername] with your actual Windows username):
  • C:\Program Files (x86)\Google\Chrome
  • C:\Users\[YourUsername]\AppData\Local\Google\Chrome
• Restart your computer before reinstalling Chrome and the matching Chromedriver.

2. Verify Exact Version Matching Between Chrome & Chromedriver #

Even a minor version mismatch can break Selenium. Double-check:

• Open Chrome and go to chrome://version/ to get your exact Chrome version (e.g., 65.0.3325.181)
• Match it to the correct Chromedriver:
  • Chrome 65.x → Chromedriver 2.37
  • Chrome 66.x → Chromedriver 2.38
• Download the exact Chromedriver build for your Windows x86_64 system, and make sure it's in your PATH or you specify its full path in your Selenium code.

3. Disable Chrome Auto-Update #

Chrome often auto-updates in the background, undoing your downgrade. Lock it down:

Option 1: Group Policy (Windows Pro/Enterprise) #

• Open gpedit.msc via the Run dialog (Win + R)
• Navigate to Computer Configuration > Administrative Templates > Google > Google Chrome > Updates
• Set Update policy override to Disabled

Option 2: Registry Edit (All Windows Versions) #

• Open regedit via Run
• Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome (create the Chrome key if it doesn't exist)
• Right-click, select New > DWORD (32-bit) Value, name it AutoUpdateCheckPeriodMinutes
• Set its value to 0 and click OK

4. Adjust Selenium Chrome Launch Options #

Add these arguments to your Selenium code to fix renderer connection issues (the "unable to send message to renderer" error):

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

chrome_options = Options()
# Fixes sandboxing issues on Windows
chrome_options.add_argument("--no-sandbox")
# Avoids limited shared memory issues
chrome_options.add_argument("--disable-dev-shm-usage")
# Disables GPU acceleration (can fix rendering crashes)
chrome_options.add_argument("--disable-gpu")
# Enables remote debugging to stabilize renderer connection
chrome_options.add_argument("--remote-debugging-port=9222")

# Initialize driver with the options
driver = webdriver.Chrome(executable_path="C:/path/to/your/chromedriver.exe", options=chrome_options)

5. Check System Dependencies #

Ensure you have the latest Microsoft Visual C++ Redistributable packages installed. Missing these can cause Chrome or Chromedriver to fail silently or crash.

From your error logs, the initial issue was a renderer connection failure with Chrome 66 + Chromedriver 2.38—this is often fixed by cleaning residual files and adding the launch options above. If downgrading still fails, it's almost always because Chrome auto-updated or leftover files from the newer version were conflicting.

内容的提问来源于stack exchange，提问作者Jango Pay