I used Gemini AI to answer :
Finding a single "guaranteed safe" program that handles everything (cleaning, updating, and driver management) across multiple devices is a bit like looking for a Swiss Army knife that also cooks dinner. While there isn't one perfect app that "guaranteed" to never make a mistake, there are a few highly reputable suites that "tech-savvy" users typically rely on.
Here are the best options that cover your three specific needs:
1. The "All-in-One" Leaders
These are established programs that bundle cleaning (removing junk/bloatware) with driver and software updaters.
* CCleaner Professional Plus: This is the classic choice. The "Plus" version is specifically designed for up to 3 devices. It includes a Driver Updater, Software Updater, and its famous junk-cleansing tool.
* IObit Advanced SystemCare: This is a heavy-duty "one-click" optimizer. It has an AI mode that cleans junk, updates drivers, and boosts performance. You can often find "Multi-Device" licenses that cover 3 PCs.
* Microsoft PC Manager: If safety is your #1 concern, this is the official tool from Microsoft. It is 100% safe, cleans system junk, and manages startup apps. Note: It doesn't update third-party drivers as aggressively as the others, as it relies on Windows Update.
2. The Tech-Savvy "Trio" Approach
Most tech-savvy people actually prefer using three specific, specialized tools because they are more thorough and safer than a "jack-of-all-trades" app.
| Task | Recommended Tool | Why Techs Use It |
|---|---|---|
| Cleaning | BleachBit | It's open-source, free, and more "honest" than commercial cleaners. |
| Drivers | Snappy Driver Installer | It’s the gold standard for finding missing drivers without ads or upsells. |
| Updates | Patch My PC | It updates 300+ common apps (Chrome, Zoom, etc.) in the background for you. |
3. Handling the "Non-Working" PC
For your non-working PC, an all-in-one program won't help if the computer won't turn on or boot into Windows.
* If it's a software issue: You can try booting into Safe Mode and running one of the tools above.
* If it won't boot at all: You may need a bootable USB drive with recovery tools (like Hiren’s BootCD PE). These are free and can help you "clean" a system from the outside before it even starts.
Important "Safety" Disclaimer
No software can "guarantee" safety because driver updates involve deep system changes. Always ensure the software creates a System Restore Point before it updates anything. This allows you to "undo" the changes if a new driver causes a crash.