Deano99952 Posted January 14, 2017 ID:1088911 Share Posted January 14, 2017 Hi, I am running Windows 10 on my home Dell XPS laptop after re-configuring the pc a few days ago following a disk failure. All has been running fine for a few days and I installed MBAM version 3 a couple of days ago and decided to run a scan earlier today. When I tried to open MBAM (for the first time since it was installed) I got an error message that said something like Service error unable to start Malwarebytes Antimalware. I thought I would try to resolve this by uninstalling and re-installing the software and uninstalled using 'Uninstall a Program' but when I tried to re-install I got an error message, as follows: ‘C:\Windows\system32\drivers\mbae64.sys An error occurred while trying to replace the existing file: DeleteFile failed: code 5 Access is denied Click Retry to try again, ignore to skip this file (not recommended) or abort to cancel the installation. ‘ So, I aborted the re-install and followed this process: Navigate to C:\Windows\system32\drivers Find mbae64.sys, right click and select rename, and change it to mbae64.old Now try to install new Malwarebytes, it will be installed without any issues But, when I tried to rename the file in step 2 I got a message that I need administrator permission to rename this file. I was logged on to my system with my user account that has administrator rights so I am not sure what to do. Please would somebody be able to help me resolve this so I can re-install Malwarrebytes ? Thanks, Steve Link to post Share on other sites More sharing options...
Deano99952 Posted January 14, 2017 Author ID:1088915 Share Posted January 14, 2017 (edited) I ran the MBAM cleanup tool from xxxx link removed xxxx and then re-installed Malwarebytes 3.0 successfully. After this I re-booted my pc and tried to delete mbae64.old but got a message that the file is in use ! Can anyone help with this please ? Post updated [02/12/2021 - AdvancedSetup] The following MBST tool should be used to perform a clean removal and reinstall https://support.malwarebytes.com/hc/en-us/articles/360039023473-Uninstall-and-reinstall-using-the-Malwarebytes-Support-Tool Edited February 13, 2021 by AdvancedSetup updated information Link to post Share on other sites More sharing options...
Aura Posted January 14, 2017 ID:1088939 Share Posted January 14, 2017 Hi Deano This looks like a known issue from what I've seen so far. Start by uninstalling Malwarebytes 3.0, and once done, follow dcollins' instructions in the post below (the FRST fix). https://forums.malwarebytes.com/topic/191353-cannot-delete-mbae64sys/?do=findComment&comment=1086379 Once done, restart your computer and try to install Malwarebytes 3.0 again. Link to post Share on other sites More sharing options...
Deano99952 Posted January 15, 2017 Author ID:1089016 Share Posted January 15, 2017 Thanks for that Link to post Share on other sites More sharing options...
Aura Posted January 15, 2017 ID:1089025 Share Posted January 15, 2017 So, did it work? Link to post Share on other sites More sharing options...
Deano99952 Posted January 15, 2017 Author ID:1089028 Share Posted January 15, 2017 Not had a chance to try it yet Link to post Share on other sites More sharing options...
Aura Posted January 15, 2017 ID:1089050 Share Posted January 15, 2017 Alright, let me know how it goes Link to post Share on other sites More sharing options...
Deano99952 Posted January 15, 2017 Author ID:1089056 Share Posted January 15, 2017 Hi Aura, After I posted my original question I then posted an update to say that I ran the MBAM cleanup tool from https://downloads.malwarebytes.org/file/mbam_clean and then re-installed Malwarebytes 3.0 successfully. After this I re-booted my pc and tried to delete mbae64.old but got a message that the file is in use. I asked if anyone could help with this but I have just tried again to delete the old file and it worked ok. No further issues with MBAM. Thanks for your help. Regards, Deano Link to post Share on other sites More sharing options...
Aura Posted January 15, 2017 ID:1089083 Share Posted January 15, 2017 That's good to know Deano, thanks for letting me know Link to post Share on other sites More sharing options...
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