?Windows cannot access the specified device path or file. you may not have

By AnthonyGomez01 ·
I recently attempted to upgrade some drivers, prior to do this I set a restore point on my computer first. One of the updates caused my mouse to stop working.

I have performed the following as the administrator:

1. I performed a restore to the most recent restore date and it fixed the mouse problem but I started getting the ?Windows cannot access the specified device path or file. you may not have appropriate permissions? Error message.

2. I performed a second restore for several days prior and I am still having the same problem.
3. Checked for the ?IE Enhanced Security? as posted on other threads and it does not pertain to this problem.
4. Tried launching new software from my thumb drive but get the same error message.
5. Attempted to run the Advance SystemCare 3 (Pro version) but I get the same error when launching the existing installed software.
6. Ran the CCleaner program Registry Integrity portion and that did not fix the problem.
7. I tried installing an update to an existing software from my thumb drive, C drive, and external hard drive and get the same error.
8. I right click the any of the updates or new programs I want to install and selecting open, Run as, etc with the same error.
9. Ran my McAfee anti-virus program with no fixes.
10. Stopped my Firewall and other spyware programs that may impede the installation but get the same error.
11. Attempted to uninstall a program using CCleaner (Error 5: Access denied) and/or the software uninstall link and get the same error.

I can download a file but not launch it without the error. I also can not uninstall any other software or download/install a Windows update.

I am using Windows XP Home edition. Any suggestions?

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by DarkWhiteChocolate In reply to ?Windows cannot access th ...

I don't know if this will help but try to run msconfig by clicking Start > Run and type in "msconfig" (without quotes) when the msconfig box comes up click on startup and uncheck anything that may be the cause such as a virus, malware program. If you are just not sure what may be the cause then just uncheck everything. Then reboot and see if it comes back.

If nothing else there is always the good old Windows wipe and reinstall. Good Luck

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Check/take ownership.

by seanferd In reply to ?Windows cannot access th ...

You may want to look into the event logs to see if there are related warnings or errors.

It is possibly malware-related, or MS update-related.
Install and update this. Reboot into Safe Mode and run it.

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You may have to reconfigure permissions

by Jacky Howe In reply to ?Windows cannot access th ...

1. Download and then install the Subinacl.exe file. To do this, visit the following Microsoft Web site: (
2. Start Notepad.
3. Copy and then paste the following text into Notepad.
cd /d "%ProgramFiles%\Windows Resource Kits\Tools"
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f /grant=system=f
subinacl /subdirectories %windir%\*.* /grant=administrators=f /grant=system=f
secedit /configure /cfg %windir%\repair\secsetup.inf /db secsetup.sdb /verbose

Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure. However, they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements.
4. Save this Notepad file as Reset.cmd.
5. Double-click the Reset.cmd file to run the script.

Note This script file may take a long time to run. Additionally, you have to run this script as an administrator.

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