Got a decent error. Got the latest version of Wrye Bash and started installing some mods. Both archives and folders alike. All went well till suddenly WB refuses to install any archive (7z, rar and zip). Installing folders still works fine but it's a lot of extra work and takes up more space.
Errorlog:
Traceback (most recent call last):  File "E:\Games\Bethesda Softworks\Oblivion\Mopy\basher.py", line 6938, in Execute    self.data.install(self.filterInstallables(),progress,last,override)  File "E:\Games\Bethesda Softworks\Oblivion\Mopy\bosh.py", line 11468, in install    installer.install(archive,destFiles,self.data_sizeCrcDate,SubProgress(progress,index,index+1))  File "E:\Games\Bethesda Softworks\Oblivion\Mopy\bosh.py", line 10660, in install    self.unpackToTemp(archive,dest_src.values(),SubProgress(progress,0,0.9))  File "E:\Games\Bethesda Softworks\Oblivion\Mopy\bosh.py", line 10624, in unpackToTemp    self.clearTemp()  File "E:\Games\Bethesda Softworks\Oblivion\Mopy\bosh.py", line 9711, in clearTemp    Installer.tempDir.rmtree(safety='Temp')  File "E:\Games\Bethesda Softworks\Oblivion\Mopy\bolt.py", line 477, in rmtree    shutil.rmtree(self._s)  File "C:\Python26\lib\shutil.py", line 221, in rmtree    onerror(os.remove, fullname, sys.exc_info())  File "C:\Python26\lib\shutil.py", line 195, in onerror    raise  File "C:\Python26\lib\shutil.py", line 219, in rmtree    os.remove(fullname)WindowsError: [Error 2] The system cannot find the file specified: 'InstallerTemp\\+\xa6-\xed\xa6\xb5\xa6\xb2\xa6\xb7 \xa9\xad\xc1\xd5+\xa6\xa9\xdd.txt'