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Invalid Signature on Installs


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#1 Amy Bennett

Amy Bennett

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Posted 11 April 2011 - 08:07 AM

I started seeing issues first in Chrome when it kept failing. It became unusable and I switched to Firefox without issue. Then this morning, Tweetdeck failed on startup and never would come up. I tried to reinstall but it would not complete. Then, I tried to install MalwareBytes to see if I was infected and the install would start but at the end and on other attempts to start it, I keep getting Invalid Signature. I can't get MalwareBytes to update or even come up without this error:

An error has occurred. Please report this error code to our support team.
PROGRAM_ERROR_UPDATING(-2146893818,0,CryptAcquireContext)
Invalid Signature

Not sure if I'm infected or something is wrong within Windows. I have Windows XP.

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