Hi, I see there must have been some widespread malware out in the last 48 hours with all these posts indicating folks can't run malwarebytes or several other programs. Malwarebytes has always worked for me previously, but I must admit this is the nastiest bug I have had to deal with. Some of the things I have tried might work for others. It only partially worked for me (no pop ups for the annoying ransomware fake antivirus programs). Suggestions culled from the other mssgs here, all tried in safe mode and regular mode: When malwarebytes stops running after a few seconds -->Rename mbam.exe -->Seems this has worked for a few lucky ones -Unfortunately the same thing happens with the renamed executable for me and others -I redownload and change the names before running it the first time and it will still quit out after a few seconds and then won't run again -Uninstalling/redownloading/reinstalling to different directories gives the same problem Download process explorer and rename it to winlogon.exe. -The process explorer works for me, but I find nothing to delete. (I had previously killed processes and deleted files as mentioned under task manager) Other googled suggestions -Ran task manager and killed the following processes and removed their files msa.exe, b.exe, svchast.exe (Meant to look like svchost.exe) -Ran msconfig -Disabled AntipyPro_12 from services (not a mispelling, its AntpyPro_12 with no s in it) -Could NOT KILL tahidazu.dll in startup. I get an error message. I manually deleted the file c:\windows\system32\tahidazu.dll but i get a dialogue box that the specified module can't be found on the next startup -Ccleaner -I thought surely ccleaner startup tool would do the trick but it won't disable or delete detokadafe which is the program associated with the run32dll.exe "c:\Windows\System32\tahidazu.dll",s -Ccleaner Registry scan keeps finding the tahidazu registry entry and fixes it but it comes right back -Manual REGEDIT to delete any instance of detokadafe fails as well as it keeps coming back with (system restore previously turned off) -Ran services.msc -AntipyPro_12 is indded disabled and the svchast.exe it points to has been deleted -Can't turn on windows defender error 5: access is denied Is there a network mode that lets malwarebytes scan another computers harddrive over a network? I thought of just pulling the hard drive out and plugging it into the working computer but am afraid the bug could spread and it still wouldn't clean out registry errors and the like. Well, I got one more suggestion I will try tonight. Since windows defender won't run, I will uninstall and reinstall it. I don't hold high hopes because this malware interrupts the installation and/or running of malwarebytes, spybot, mcAfee and windows defender. It didn't seem to interfere with Ad-Aware 2008 but all adaware found the first time were cookies I guess I could try a windows xp reinstall but I don't think it will take without reformatting as the CD is a few service packs old. I will leave files backing up to an external drive and hope I see a solution on this forum for how to get mbam.exe working when it keeps getting stopped by the bug assuming the simple solutions like renaming, killing processes don't do the trick. Kai