By john 
After failing to start, Windows runs Startup Repair and reports that it could not repair the PC, adding “Log file: C:\Windows\System32\Logfiles\Srt\SrtTrail.txt.” The Windows 10 Startup YY PAUS Repair couldn’t repair your PC SrtTrail.txt message leaves many users stuck in a loop.
The log file records what Startup Repair found. It often names a problem file, driver, or disk error.
Reading it helps you choose the right next step instead of trying random fixes.
The message is often accompanied by two buttons, Shut down and Advanced options. Choosing Shut down simply restarts the loop, so Advanced options is the route that leads to a fix.
What Usually Triggers It
Startup Repair fails for these reasons:
- A driver or system file is damaged.
- The boot configuration is corrupted.
- Disk errors prevent Windows from loading.
- A recent update or software change caused the failure.
Some users see this message after a power cut or interrupted update.
First Steps to Try
Use other recovery tools.
- On the Automatic Repair screen, select Advanced options.
- Choose Troubleshoot > Advanced options > System Restore and try a restore point.
- If no restore point exists, choose Uninstall Updates and remove the latest one.
- Try Startup Settings > Restart and press 4 for Safe Mode.
- Disconnect external devices and restart.
If Safe Mode works, uninstall recent software or drivers.
Many people see this message once after a forced shutdown and never again. Repeated failures across several restarts are the sign that one of the deeper causes is involved.
If the Problem Continues
Read the log and repair system files.
- From Advanced options, open Command Prompt.
- Type notepad C:\Windows\System32\Logfiles\Srt\SrtTrail.txt and press Enter. If C is wrong, try D.
- Look for lines mentioning “Root cause found” or a specific file name.
- Run chkdsk C: /f to fix disk errors.
- Run sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows and then bootrec /rebuildbcd.
If the log mentions a driver file, that driver may need removing or updating from Safe Mode.
Protect Your Data First
If you can reach Safe Mode or Command Prompt, copy important files to an external drive before major repairs. Avoid “Reset this PC” until you have tried other methods. If the log mentions disk errors, the drive may be failing.
The Bottom Line
The SrtTrail.txt message means Startup Repair could not fix the problem automatically. Reading the log, using System Restore, and repairing disk and system files usually bring Windows back.
When Windows is running again, keep System Protection switched on and create a restore point. If the same failure ever returns, a recent restore point gives you the quickest way back.